List of land borders with dates of establishment
This list of land borders with date of establishment identifies the historical year in which borders were established between countries.
Europe
Albania–Greece
- *1913/1914 after Greek withdrawal due to international diplomatic pressure.
Albania–Montenegro">Albania–Montenegro border">Albania–Montenegro
- Shkodër - Berane
- *1913 at the Treaty of London ending the Balkan Wars.
- From Shkodër - Podgorica to Shkodër - Ulcinj
- *1878 at the Treaty of Berlin, border between Montenegro and the Ottoman Empire.
- *1913 at the Treaty of London
Albania–North Macedonia
- *1913 at the Treaty of London, border between Albania and Serbia.
- *1991 Independence for the Republic of Macedonia.
Albania–Serbia
- *1913 at the Treaty of London.
Andorra–France">Andorra–France border">Andorra–France
- *985 France doesn't help Barcelona versus the Saracens, border between France and Barcelona.
- *1278 Foix gains co-sovereignty over Andorra next to the bishop of Urgel.
Andorra–Spain">Andorra–Spain border">Andorra–Spain
- *1278 Foix gains co-sovereignty over Andorra next to the Bishop of Urgel.
- *1479 Union between Castile and Aragon, the beginning of Spain.
Austria–Czech Republic
Austria–Liechtenstein
- *1719 Creation of Liechtenstein.
Austria–Switzerland">Austria–Switzerland border">Austria–Switzerland
- Stuben - Scuol
- *1363 Tyrol becomes Austrian, border between Austria and the bishopric of Chur.
- *1497/1498 Grissons allies with Switzerland.
- Schruns - Davos
- *1420 Austria acquires Montafon, border between Austria and Toggenburg.
- *1497/1498 Grissons allies with Switzerland.
- Bregenz - St. Gallen
- *15th century, Austria becomes the dominant power on the east bank of the Rhine.
- *1491 Switzerland takes control of the west bank of the Rhine.
Austria–Slovakia
- *976 Babenberger receive the Eastmark from the Germanic king, border between Austria and Hungary.
- *1993 Slovakia gains independence from Czechoslovakia.
Austria–Hungary
- *1919 at the Treaty of Saint-Germain, one of the treaties ending World War I.
Austria–Slovenia
- *1919 at the Treaty of Saint-Germain, border between Austria and Yugoslavia.
- *1991 Slovenian independence.
Austria–Germany">Austria–Germany border">Austria–Germany
- *1871 establishment of the German Empire, border between Austria-Hungary and Germany.
Austria–Italy">Austria–Italy border">Austria–Italy
- From Nauders - Mals to Lienz - Bruneck
- *1919 at the Treaty of Saint-Germain.
- Kötschach - Paluzza
- *1st millennium, border between Italy and Carinthia.
- *1335 Carinthia is inherited by the duke of Austria, border between Austria and Aquileia.
- *1866 Venice conquered by Italy from Austria.
- Villach - Tarvisio
- *1919 at the Treaty of Saint-Germain.
Azerbaijan–Georgia
- *1991 Azerbaijani and Georgian independence from the Soviet Union.
Azerbaijan–Russia
Belarus–Latvia">Belarus–Latvia border">Belarus–Latvia
- *1920 peace between Latvia/Poland and the Soviet Union, border between Latvia and the Soviet Union/Poland.
- *1991 Belarusian and Latvian independence.
Belarus–Poland">Belarus–Poland border">Belarus–Poland
- * 1945 after the annexation of Belarusian-populated eastern Poland by the Soviet Union during World War II, border between Poland and the Soviet Union.
- *1991 Belarusian independence.
Belarus–Russia">Belarus–Russia border">Belarus–Russia
- From Polatsk - Velikiye Luki to Mahilyow - Klincy
- *1991 dissolution of the Soviet Union.
- Gomel - Klincy
- *1667 at the Treaty of Andrusovo ending the Russo-Polish War, border between Russia and Poland–Lithuania.
- *1991 dissolution of the Soviet Union.
Belarus–Ukraine">Belarus–Ukraine border">Belarus–Ukraine
- *1991 Belarusian and Ukrainian independence.
Belgium–Netherlands">Belgium–Netherlands border">Belgium–Netherlands
- From Knokke-Heist - Cadzand to Bree - Budel
- *1648 at the peace of Westphalia between the Netherlands and Spain ending the Thirty Years' War.
- *1830/1839 after the Belgian Revolution against the Netherlands.
- From Bree - Weert to Plombières - Vaals
- *1839 at the Treaty of London.
Belgium–France">Belgium–France border">Belgium–France
- From De Panne - Bray-Dunes to Poperinge - Godewaersvelde
- *1697 at the peace of Rijswijk, between France and Spain.
- *1830/1839 After the Belgian Revolution.
- From Loker - Bailleul to Comines
- *1713 at the peace of Utrecht, between France and Austria
- *1830/1839 After the Belgian Revolution.
- From Menen - Tourcoing to Mons - Maubeuge
- *1697 at the peace of Rijswijk, between France and Spain.
- *1830/1839 After the Belgian Revolution.
- From Binche - Maubeuge to Chimay - Fourmies
- *1678/1679 at the peace of Nijmegen, between France and Spain.
- *1830/1839 After the Belgian Revolution.
- Couvin - Rocroi
- *941? Border between France and Germany.
- *1830/1839 After the Belgian Revolution.
- From Couvin - Revin to Agimont - Givet
- *1678/1679 at the peace of Nijmegen, between France and the bishopric of Liege.
- *1830/1839 After the Belgian Revolution.
- From Hastière - Givet to Aubange - Longwy
- *1697 at the peace of Rijswijk, between France and Germany.
- *1830/1839 After the Belgian Revolution.
Belgium–Luxembourg
- From Aubange - Pétange to Gouvy - Huldange
- *1839 at the Treaty of London.
- Burg-Reuland - Leithum
- *1839 at the Treaty of London, between Luxembourg and Prussia.
- *1919 at the Treaty of Versailles.
Belgium–Germany
- *1919 at the Treaty of Versailles.
Bosnia and Herzegovina–Croatia
- *1995 Dayton Agreement ending the Bosnian War.
Bosnia and Herzegovina–Montenegro
- Sarajevo - Pljevlja
- *1913 at the Treaty of London, border between Montenegro and Austria-Hungary.
- *1995 Dayton Agreement, border between Bosnia and Herzegovina and Yugoslavia.
- *2006 Montenegrin independence.
- Sarajevo - Nikšić
- *1878 at the Treaty of Berlin, border between Montenegro and Austria-Hungary.
- *1995 Dayton Agreement, border between Bosnia and Herzegovina and Yugoslavia.
- *2006 Montenegrin independence.
- Trebinje - Herceg Novi
- *1995 Dayton Agreement, border between Bosnia and Herzegovina and Yugoslavia.
- *2006 Montenegrin independence.
Bosnia and Herzegovina–Serbia
- Zvornik - Loznica
- *13th century, after Serbian conquest, border between Serbia and Bosnia.
- *1995 Dayton Agreement, border between Bosnia and Herzegovina and Yugoslavia.
- *2006 Serbian self-determination.
- Sarajevo - Priboj
- *1913 at the Treaty of London, border between Serbia and Austria-Hungary.
- *1995 Dayton Agreement, border between Bosnia and Herzegovina and Yugoslavia.
- *2006 Serbian self-determination.
Bulgaria–Greece
- Petrich - Sidirokastro
- * 1913 at the Treaty of London.
- From Smolyan - Xanthi to Svilengrad - Orestiada
- * 1919 at the Treaty of Neuilly.
Bulgaria–North Macedonia
- Petric - Strumica
- *1919 at the Treaty of Neuilly, border between Bulgaria and Yugoslavia.
- *1991 Independence for the Republic of Macedonia.
- Blagoevgrad - Kočani
- *1913 at the Treaty of Bucharest, border between Bulgaria and Serbia.
- *1991 Independence for the Republic of Macedonia.
- Kyustendil - Skopje
- *1878 Bulgarian independence, border between Bulgaria and the Ottoman Empire.
- *1991 Independence for the Republic of Macedonia.
Bulgaria–Romania">Bulgaria–Romania border">Bulgaria–Romania
- Varna - Constanța
- *1878 after the defeat of the Ottoman Empire.
- From Silistra - Fetești to Vidin - Calafat
- *1185 After Bulgarian uprise against the Byzantine Empire, border between Bulgaria and the Cumans.
- *1859 formation of Romania, border between Romania and the Ottoman Empire.
- *1878 Bulgarian independence.
Bulgaria–Serbia
- Sofia - Pirot
- *1919 at the Treaty of Neuilly, border between Bulgaria and Yugoslavia.
- *2006 Serbian self-determination.
- Vidin - Zaječar
- *1878 Bulgarian and Serbian independence.
Bulgaria–Turkey">Bulgaria–Turkey border">Bulgaria–Turkey
- Burgas - Kırklareli
- *1913 at the Treaty of London, border between Bulgaria and the Ottoman Empire.
- Elhovo - Edirne
- *1885 after the East Rumelian revolution, border between Bulgaria and the Ottoman Empire.
- Svilengrad - Edirne
- *1919 at the Treaty of Neuilly, border between Bulgaria and the Ottoman Empire.
Croatia–Hungary
- Osijek - Pécs
- *1920 at the Treaty of Trianon, border between Hungary and Yugoslavia.
- *1991 Croatian independence.
- From Našice - Pécs to Varaždin - Nagykanizsa
- *10th century.
Croatia–Montenegro
- *1991 Croatian independence, border between Croatia and Yugoslavia.
- *2006 Montenegrin independence.
Croatia–Serbia
- Osijek - Apatin
- *1995 Dayton agreement, border between Croatia and Yugoslavia.
- *2006 Serbian self-determination.
- Vukovar - Bačka Palanka
- *925 Croatia conquers Slavonia, border between Croatia and Hungary.
- *2006 Serbian self-determination.
- Vukovar - Sremska Mitrovica
- *1995 Dayton agreement, border between Croatia and Yugoslavia.
- *2006 Serbian self-determination.
Croatia–Slovenia">Croatia–Slovenia border">Croatia–Slovenia
- Čakovec - Murska Sobota
- *1991 Croatian and Slovenian independence.
- From Varaždin - Ptuj to Rijeka - Postojna
- *10th century, border between Croatia and Germany.
- *1991 Croatian and Slovenian independence.
- Pazin - Koper
- *1991 Croatian and Slovenian independence.
Czech Republic–Germany">Czech Republic–Germany border">Czech Republic–Germany
- From Volary - Neureichenau to Mariánské Lázně - Mähring
- *843 Treaty of Verdun dividing the Carolingian Empire, border between Germany and the Bohemians.
- Cheb - Marktredwitz
- *1266 Egerland becomes Bohemian.
- From Kraslice - Klingenthal to Hrádek nad Nisou - Zittau
- *9th century, Bohemia established, border between Bohemia and the Sorbs.
- *10th century, Germans conquer Sorb territories.
Czech Republic–Poland
- From Liberec - Gorlice to Trutnov - Wałbrzych
- *9th century, border between Bohemia and Great Moravia.
- *10th century, border between Bohemia and Poland.
- *1945 Stalin gives German Silesia to Poland, border between Poland and Czechoslovakia.
- *1993 Czechoslovakia dissolved.
- Náchod - Kłodzko to Ostrava - Racibórz
- *1945 Stalin gives German Silesia to Poland, border between Poland and Czechoslovakia.
- *1993 Czechoslovakia dissolved.
- Český Těšín - Cieszyn
- *1919 border between Czechoslovakia and Poland.
- *1993 Czechoslovakia dissolved.
Czech Republic–Slovakia
- From Břeclav - Senica to Frýdek-Místek - Žilina
- *10th century, Bohemia acquires Moravia, border between Bohemia and Hungary.
- *1993 Czechoslovakia splits in two.
- Český Těšín - Čadca
- *1298 Bohemia acquires Upper Silesia, border between Bohemia and Hungary.
- *1993 Czechoslovakia splits in two.
Denmark–Germany">Denmark–Germany border">Denmark–Germany
- *1920 after the Schleswig plebiscites.
Denmark–Sweden">Denmark–Sweden border">Denmark–Sweden
- *1658 as a maritime border, Treaty of Roskilde
- *2000 as an artificial land border, opening of the Copenhagen - Malmö bridge and tunnel
Estonia–Latvia
- *1918 Latvian and Estonian independence from Russia.
Estonia–Russia">Estonia–Russia border">Estonia–Russia
- Narva - Ivangorod
- *1478 Russian conquest of Novgorod, border between Russia and the German Order.
- *1991 dissolution of the Soviet Union.
- Võru - Pskov
- *1510 Russian conquest of Pskov, border between Russia and the German Order.
- *1991 dissolution of the Soviet Union.
Finland–Norway">Finland–Norway border">Finland–Norway
- *1751 Treaty of Strömstad, fairly undefined and disputed before that
Finland–Russia">Finland–Russia border">Finland–Russia
- Nellim - Nikel
- *1946 at the Treaty of Paris, border between Finland and the Soviet Union.
- Kuusamo - Topozero
- *1917 Finnish independence.
- Kotka - Vyborg
- *1946 at the Treaty of Paris, border between Finland and the Soviet Union.
Finland–Sweden">Finland–Sweden border">Finland–Sweden
- *17 September 1809 - Treaty of Fredrikshamn ending the Finnish War, border between the Grand Duchy of Finland and Sweden.
France–Switzerland">France–Switzerland border">France–Switzerland
- Saint-Louis - Basel
- *1501 Basel becomes a member of the Swiss Confederation, border between the Habsburg territories and Switzerland.
- *1648 at the Treaty of Westphalia.
- Wentzwiller - Oberwil
- *1648 at the Treaty of Westphalia, border between France and the bishopric of Basel.
- *1815 at the Congress of Vienna ending the Napoleonic Wars.
- Leymen - Hofstetten-Flüh
- *1515 Swiss Solothurn buys Rotberg from the Rotberg family, border between the Habsburg territories and Switzerland.
- *1648 at the Treaty of Westphalia.
- Lutter - Cholholx
- *1648 at the Treaty of Westphalia, border between France and the bishopric of Basel.
- *1815 at the congress of Vienna.
- Lutter - Kleinlützel
- *1527 Swiss Solothurn buys Kleinlützel from the monastery of Kleinlützel, border between the Habsburg territories and Switzerland.
- *1648 at the Treaty of Westphalia.
- From Blochmont - Ederswiler to Delle - Buix
- *1648 at the Treaty of Westphalia, border between France and the bishopric of Basel.
- *1815 at the congress of Vienna.
- Montbéliard-Porrentruy
- *1815 at the congress of Vienna.
- From Vaufrey - Porrentruy to Pontarlier - Fleurier
- *1678/1679 at the Treaty of Nijmegen ending the Franco-Dutch War, border between France and Germany.
- *1815 at the congress of Vienna.
- From Les Fourgs - Sainte-Croix to Les Rousses - Saint-Cergue
- *1536 border between Switzerland and Burgundy.
- *1678/1679 at the Treaty of Nijmegen.
- From Gex - Saint-Cergue to Gex - Geneva
- *1536 after Swiss expansion, border between Switzerland and Savoy.
- *1601 after French expansion.
- *1932 borders finally settled.
- Annemasse - Geneva
- *1536 Geneva member of the Swiss Confederation, border between Switzerland and Savoy.
- *1860 Savoy ceded to France by Sardinia-Piemonte.
- Douvain - Geneva
- *1569 Chablais returns to Savoy, border between Switzerland and Savoy.
- *1860 Savoy ceded to France by Sardinia-Piemonte.
- From Thonon-les-Bains - Monthey to Chamonix-Mont-Blanc - Martigny
- *15th/16th century, after Swiss expansion, border between Switzerland and Savoy.
- *1860 Savoy ceded to France by Sardinia-Piemonte.
France–Italy">France–Italy border">France–Italy
- Chamonix-Mont-Blanc - Courmayeur
- *1860 Savoy ceded to France by Sardinia-Piemonte.
- Bourg-Saint-Maurice - Susa
- *1st millennium, Border between Italy and Burgundy.
- *1860 Savoy ceded to France by Sardinia-Piemonte.
- Briançon - Cesana Torinese
- *1st millennium, Border between Italy and Burgundy.
- *1349 France buys Dauphiné from the heir, border between France and Germany.
- *1860 after Italian unification.
- Barcelonette - Demonte
- *1st millennium, Border between Italy and Burgundy.
- *1481, Provence inherited by the king of France, border between France and Germany.
- *1860 after Italian unification.
- From Isola - Vinadio to Sospel - Camporosso
- *1860 Italian unification and Nice ceded to France.
- Menton - Ventimiglia
- *1860 Italian unification, border between Italy and Mentone.
- *1861 Mentone annexed by France.
France–Monaco">France–Monaco border">France–Monaco
- *1848/1861 Revolt in Monaco's hinterland, France annexes rebel territory.
France–Spain">France–Spain border">France–Spain
- From Banyuls-sur-Mer - Llanca to Bourg-Madame - Puigcerdà
- *1659 at the Treaty of the Pyrenees ending the Franco-Spanish War.
- Saint-Girons - Rialp
- *985 France doesn't help its province Barcelona against the Saracens, border between France and Barcelona.
- *1479 Aragon and Castile are unified and become known as Spain.
- From Bagnères-de-Luchon - Vielha to Cauterets - Sallent de Gállego
- *843 at the Treaty of Verdun, border between France and Aragon.
- *1479 Aragon and Castile are unified and become known as Spain.
- Urdos - Canfranc
- *843 at the Treaty of Verdun, border between France and Aragon..
- *1479 Aragon and Castile are unified and become known as Spain.
- Arette - Isaba
- *843 at the Treaty of Verdun, Border between France and Pamplona.
- *1512 Castile annexes southern Navarra.
- Saint-Étienne-de-Baïgorry - Baztan
- *1512 Castile annexes southern Navarra, border between Castile and Lower Navarre.
- *1620 France annexes Lower Navarre.
- Cambo-les-Bains - Baztan
- *843 at the Treaty of Verdun, Border between France and Pamplona.
- *1512 Castile annexes southern Navarra.
- Hendaye - Irun
- *843 at the Treaty of Verdun, Border between France and Pamplona.
- *1479 Aragon and Castile are unified and become known as Spain.
France–Germany">France–Germany border">France–Germany
- *17th century
- *1871, German unification, Prussia annexes Alsace-Lorraine in the Franco-Prussian War.
- *1919, the Treaty of Versailles returns Alsace-Lorraine to France.
France–Luxembourg
- Esch-sur-Alzette - Villerupt
- *Middle Ages, between Luxembourg and Bar.
- *1659 at the Treaty of the Pyrenees, between France and Spain.
- *1839 at the Treaty of London.
- Dudelange - Thionville
- *1659 at the Treaty of the Pyrenees, between France and Spain.
- *1839 at the Treaty of London.
- Schengen - Sierck-les-Bains
- *Middle Ages, between Luxembourg and Lorraine.
- *1661 at the Treaty of Vincennes, between France and Spain.
- *1839 at the Treaty of London.
France–UK">France–United Kingdom border">France–UK
Georgia–Russia">Georgia–Russia border">Georgia–Russia
- From Tbilisi - Makhachkala to Kutaisi - Vladikavkaz
- *1991 dissolution of the Soviet Union.
- Kutaisi - Nalchik
- *1001, Georgia acquires Abkhazia, border between Georgia and Alania.
- *1557 Russia conquers Kabardino-Balkaria, border between Russia and the Ottoman Empire.
- *1991 dissolution of the Soviet Union.
- Sukhumi - Cherkessk
- *1001, Georgia acquires Abkhazia, border between Georgia and Alania.
- *1991 dissolution of the Soviet Union.
- Sukhumi - Sochi
- *15th century, border between Georgia and the Ubykhs.
- *1991 dissolution of the Soviet Union.
Germany–Luxembourg
- *1815 at the Treaty of Vienna, between the Netherlands and Prussia.
- *1839 at the Treaty of London, between Luxembourg and Prussia (German Confederation).
Germany–Netherlands
- From Aachen - Vaals to Kleve - Gennep
- *1815 at the Congress of Vienna, between the Netherlands and Prussia.
- From Kranenburg - Groesbeek to Bunde - Nieuweschans
- *1648 at the peace of Westphalia, between the Netherlands and the Holy Roman Empire of the German nation.
Germany–Poland">Germany–Poland border">Germany–Poland
- *1945 Stalin gives Eastern Germany to Poland, border between Soviet occupied Germany and Poland set at the Oder–Neisse line.
Germany–Switzerland">Germany–Switzerland border">Germany–Switzerland
- Lörrach - Basel
- *1648 at the Treaty of Westphalia.
- From Rheinfelden to Laufenburg
- *1806 at the German Mediatisation, between the Confederation of the Rhine and the Republic of Helvetia.
- From Waldshut-Tiengen - Döttingen to the Bodensee
- *1648 at the Treaty of Westphalia.
Greece–North Macedonia
- * 1913 at the Treaty of London, border between Greece and Serbia.
Greece–Turkey">Greece–Turkey border">Greece–Turkey
- * 1913 at the Treaty of London, border between Bulgaria and the Ottoman Empire.
- * 1923 at the Treaty of Lausanne ending the Greco-Turkish War.
Hungary–Romania">Hungary–Romania border">Hungary–Romania
- *1920 at the Treaty of Trianon.
Hungary–Slovakia
- *1920 at the Treaty of Trianon, border between Hungary and Czechoslovakia.
Hungary–Serbia
- *1920 at the Treaty of Trianon, border between Hungary and Yugoslavia.
Hungary–Slovenia
- *1920 at the Treaty of Trianon, border between Hungary and Yugoslavia.
- *1991 Slovenian independence.
Hungary–Ukraine">Hungary–Ukraine border">Hungary–Ukraine
- *1920 at the Treaty of Trianon, border between Hungary and Czechoslovakia.
Ireland–UK">Republic of Ireland–United Kingdom border">Ireland–UK
- *1921 Independence of Ireland.
Italy–San Marino
- *1st millennium/1631, border between San Marino and Papal States.
- *1860 Italian nationalists conquer the eastern Papal States.
Italy–Slovenia
- Tarvisio - Kranjska Gora
- *1919 at the Treaty of Saint-Germain, border between Italy and Yugoslavia.
- *1991 Slovenian declaration of independence.
- From Cave del Predil - Strmec na Predelu to Gorizia - Nova Gorica
- *1947 at the Treaty of Paris, border between Italy and Yugoslavia.
- Trieste - Postojna
- *1954 Free state Trieste dissolved, border between Italy and Yugoslavia.
Italy–Switzerland">Italy–Switzerland border">Italy–Switzerland
- Aosta - Martigny
- *1477 Swiss ally Valais conquers Martigny, border between Switzerland and Savoy.
- *1860 Italian unification.
- Valtournenche - Zermatt
- *1416 Valais allies with Switzerland, border between Switzerland and Savoy.
- *1860 Italian unification.
- Domodossola - Brig
- *1st millennium, border between Italy and Burgundy.
- *1416 Valais allies with Switzerland, border between Switzerland and Milan.
- *1860 Italian unification.
- From Domodossola - Locarno to Porlezza - Lugano
- *1512 after Swiss conquest of Milan, border between Switzerland and Milan.
- *1860 Italian unification.
- From Madesimo - Splügen to Livigno - Zernez
- *1st millennium, border between Italy and the Frankish Empire.
- *1497/1498 Grissons allies with Switzerland, border between Switzerland and Milan.
- *1860 Italian unification.
- Taufers im Münstertal - Müstair
- *1497/1498 Grissons allies with Switzerland, border between Switzerland and the Habsburg territories.
- *1919 at the Treaty of Saint-Germain.
Italy–Vatican City
- *1929 Lateran Treaty
Latvia–Lithuania">Latvia–Lithuania border">Latvia–Lithuania
- *1236 Lithuanian state established, border between Lithuania and other Balts.
- *1918 Lithuanian and Latvian independence.
Lithuania–Belarus
- *1991 Belarusian and Lithuanian independence.
Lithuania–Poland">Lithuania–Poland border">Lithuania–Poland
- * 1919 at the Treaty of Versailles.
Lithuania–Russia">Lithuania–Russia border">Lithuania–Russia
- Kybartai - Gusev
- *13th century, border between Lithuania and the Baltic Prussians.
- *1991 dissolution of the Soviet Union.
- Tauragė - Sovetsk
- *1923 after Lithuanian annexation, border between Lithuania and Germany.
- *1991 dissolution of the Soviet Union.
Latvia–Russia">Latvia–Russia border">Latvia–Russia
- Rēzekne - Pskov
- *1510, Russian conquest of Pskov, border between Russia and the German Order.
- *1991 dissolution of the Soviet Union.
- Rēzekne - Sebez
- *1920 peace between Latvia and the Soviet Union.
- *1991 dissolution of the Soviet Union.
Liechtenstein–Switzerland
- Vaduz - Igis
- *1497/1498 Grissons allies with Switzerland, border between Switzerland and Brandis.
- *1719 Creation of Liechtenstein.
- Vaduz - Mels
- *1436 Inhabitants of Sargans become citizens of Swiss Zürich, border between Switzerland and Brandis.
- *1719 Creation of Liechtenstein.
- Vaduz - Buchs
- *1485 Swiss Luzern buys Werdenberg, border between Switzerland and Brandis.
- *1719 Creation of Liechtenstein.
- Bendern - Salez
- *1458 Lords of Sax-Forstegg ally with Switzerland, border between Switzerland and Brandis.
- *1719 Creation of Liechtenstein.
Moldova–Romania
- Bălți - Iași
- *1859 formation of Romania, border between Romania and Russia.
- *1991 Moldovan independence.
- Cahul - Brăila
- *1878 after Russian annexation of Southern Bessarabia, border between Romania and Russia.
- *1991 Moldovan independence.
Moldova–Ukraine">Moldova–Ukraine border">Moldova–Ukraine
- *1991 Moldovan and Ukrainian independence.
Montenegro–Serbia
- *1913 at the Treaty of London.
North Macedonia–Serbia
- *1991 Independence for the Republic of Macedonia, border between the Republic of Macedonia and Yugoslavia.
Norway–Russia">Norway–Russia border">Norway–Russia
- * 1826 borders fixed between Russia and Norway.
Norway–Sweden">Norway–Sweden border">Norway–Sweden
- Against Bohuslän
- *1658 at the Treaty of Roskilde ending the Second Northern War, border between Sweden and Denmark-Norway.
- From Halden - Ed to around Trysil - Särna
- *probably 10th and 11th centuries
- From Trysil - Särna to around Gäddede
- *1645 at the Treaty of Brömsebro ending the Torstenson War, new border between Sweden and Denmark-Norway. Disputed near Gäddede.
- North of Gäddede
- *16th century, the drainage divide line between the Atlantic and the Baltic was used as approximate border between Sweden and Denmark-Norway.
- Precisely defined by Stromstad Treaty of 1751, after which border cairns were erected.
- 1809, the part now belonging to Finland was ceded from Sweden to Russia and therefore was no longer part of the Norway–Sweden border.
Poland–Slovakia">Poland–Slovakia border">Poland–Slovakia
- *10th/11th century, border between Poland and Hungary.
Poland–Russia">Poland–Russia border">Poland–Russia
- * 1945 Stalin divides German East Prussia, border between Poland and the Soviet Union.
Poland–Ukraine">Poland–Ukraine border">Poland–Ukraine
- From Chełm - Kovel to Przemyśl - Sambir
- *1945 after the annexation of East Poland by Stalin, border between Poland and the Soviet Union.
- *1991 Ukrainian independence.
- Kremenaros-Krzemieniec - Uzhok Pass
- *11th century, border between Poland and Hungary.
- *1991 Ukrainian independence.
Portugal–Spain">Portugal–Spain border">Portugal–Spain
- From Faro - Huelva to Portalegre - Cáceres
- * 12th/13th century, conquered by Portugal, border between Portugal and León/Castile.
- * 1479 Union between Castile and Aragon, the beginning of Spain.
- From Guarda - Salamanca to Braga - Vigo
- * 1139 Portugal becomes independent from León-Castile, border between Portugal and León-Castile.
- * 1479 Union between Castile and Aragon, the beginning of Spain.
- * 1864 Treaty of Lisbon sets border.
Romania–Ukraine
- Sighetu Marmației - Khust
- *1919 at the Treaty of Versailles, border between Romania and Czechoslovakia/Polish or Ukrainian East Galicia.
- *1991 Ukrainian independence.
- Suceava - Chernivtsi
- *1940/1944 border between Romania and the Soviet Union.
- *1991 Ukrainian independence.
- Brăila - Izmail
- *1878 Romanian annexation of Dobruja, border between Romania and Russia.
- *1991 Ukrainian independence.
Romania–Serbia
- Drobeta-Turnu Severin - Negotin
- *1284 after Serbian conquest, border between Serbia and Hungary.
- *1859 formation of Romania, border between Romania and Ottoman Empire.
- *1878 Serbian independence.
- Anina - Bor
- *1284 after Serbian conquest, border between Serbia and Hungary.
- *1920 at the Treaty of Trianon, border between Romania and Yugoslavia.
- *2006 Serbian self-determination.
- Timișoara - Belgrade
- *1920 at the Treaty of Trianon, border between Romania and Yugoslavia.
- *2006 Serbian self-determination.
Russia–Ukraine">Russia–Ukraine border">Russia–Ukraine
- *1991 dissolution of the Soviet Union.
Slovakia–Ukraine">Slovakia–Ukraine border">Slovakia–Ukraine
- *1991 Ukrainian independence, border between Ukraine and Czechoslovakia.
- *1993 Slovakian independence.
Spain–UK">Gibraltar–Spain border">Spain–UK
- La Línea de la Concepción - Gibraltar
- *1713 at the Treaty of Utrecht ending the War of the Spanish Succession, border between Spain and Great Britain.
Asia
Afghanistan–China">Afghanistan–China border">Afghanistan–China
- *18th century
Afghanistan–Iran">Afghanistan–Iran border">Afghanistan–Iran
- *1857 Great Britain establishes the border between Persia and Afghanistan after the Iranian defeat during the Anglo-Persian War
Afghanistan–Pakistan">Durand Line">Afghanistan–Pakistan
- *1919 Afghanistan becomes independent from the British Empire, border between Afghanistan and the British Empire
- *1947 Pakistan becomes independent from the United Kingdom
Afghanistan–Tajikistan">Afghanistan–Tajikistan border">Afghanistan–Tajikistan
- *1885 After Russian conquest of Panjdeh, border between Afghanistan and Russia
- *1991 Tajikistani independence
Afghanistan–Turkmenistan">Afghanistan–Turkmenistan border">Afghanistan–Turkmenistan
- *1885 After Russian conquest, border between Afghanistan and Russia
- *1991 Turkmenistani independence
Afghanistan–Uzbekistan">Afghanistan–Uzbekistan border">Afghanistan–Uzbekistan
- *1885 After Russian conquest, border between Afghanistan and Russia
- *1991 Uzbekistani independence
Armenia–Azerbaijan">Armenia–Azerbaijan border">Armenia–Azerbaijan
- *1991 Armenian and Azerbaijani independence.
Armenia–Georgia
- *1991 Armenian and Georgian independence.
Armenia–Turkey">Armenia–Turkey relations">Armenia–Turkey
- *1921 at the Treaty of Kars, border between Turkey and the Soviet Union.
- *1991 Armenian independence.
Azerbaijan–Iran">Azerbaijan–Iran border">Azerbaijan–Iran
- Lankaran - Ardabil
- *1828 at the Treaty of Turkmenchay, border between Russia and Persia.
- *1991 Azerbaijani independence.
- Stepanakert - Tabriz
- *1813 at the Treaty of Gulistan ending the Russo-Persian War, border between Russia and Persia.
- *1991 Azerbaijani independence.
- Nakhchivan - Tabriz
- *1828 at the Treaty of Turkmenchay, border between Russia and Persia.
- *1991 Azerbaijani independence.
Azerbaijan–Turkey">Azerbaijan–Turkey border">Azerbaijan–Turkey
- *1921 at the Treaty of Kars, border between Turkey and the Soviet Union.
- *1991 Azerbaijani independence.
Bangladesh–Burma">Bangladesh–Myanmar border">Bangladesh–Burma
- Chittagong-Mandalay
- *1558 Burma conquers Manipur, border between Burma and Arakan
- *1971 Bangladesh becomes independent from Pakistan
- Chittagong-Sittwe
- *1784 Burma conquers Arakan, border between Burma and Great Britain
- *1971 Bangladesh becomes independent from Pakistan
Bangladesh–India">Bangladesh–India border">Bangladesh–India
- *1947 Indian independence from the United Kingdom, border between India and Pakistan
- *1971 Bangladesh becomes independent from Pakistan after the Bangladesh Liberation War.
Bhutan–India">Bhutan–India border">Bhutan–India
- *1616 Bhutan becomes independent from Tibet, border between Bhutan and the Kamata Kingdom
- *1947 Indian independence
Bhutan–China">Bhutan–China border">Bhutan–China
- *1616 Bhutan becomes independent from Tibet, border between Bhutan and Tibet
- *1724 China conquers Tibet from the Dzungars
Brunei–Malaysia">Brunei–Malaysia border">Brunei–Malaysia
- *1963 Establishment of Malaysia, border between the British protectorate of Brunei and Malaysia
- *1984 End of the British protectorate
Burma–India
- *1826 Treaty of Yandabo, Border between Burma and the United Kingdom
- *1947 Indian independence, border between India and the United Kingdom
- *1948 Burmese independence
Burma–China">China–Myanmar border">Burma–China
- Myitkyina-Dsayul
- *11th century, Pagan establishes Burma, border between Burma and the Tibetans
- *1724 China conquers Tibet from the Dzungars
- Myitkyina-Baoshan
- *109 BC, China conquers the Dian kingdom, border between China and the Mon people
- *11th century, Pagan establishes Burma, border between Burma and Dali
- *1555 Burma conquers Upper Burma
- *1769 Last Chinese invasion
- From Lashio-Baoshan to Kengtung-Simao
- *109 BC, China conquers the Dian Kingdom, border between China and the Mon people
- *1557 Burma conquers the Shan States
- *1769 Last Chinese invasion
Burma–Thailand
- Kengtung-Chang Mai
- *1557 Pagan conquers the Shan states, border between Burma and Chiang Mai
- *1774 Thailand conquers Chiang Mai from Burma
- Rangoon-Chang Mai
- *1530s or 1540s, Burma is established out of several small states, border between Burma and Chiang Mai
- *1774 Thailand conquers Chiang Mai from Burma
- Tavoy-Bangkok
- *1057 Thaton is conquered by Pagan, border between Pagan and the Khmer Empire
- *16th-18th century, Burma conquers the Mon kingdoms
Cambodia–Laos
- *1353 Lan Xang becomes independent from the Khmer Empire
Cambodia–Thailand
- Phnom Penh-Udon Thani
- *1353 Lan Xang becomes independent from the Khmer Empire, Border between the Khmer Empire and Lan Xang
- *15th or 16th century, Ayutthaya Kingdom conquers western Lan Xang
- Phnom Penh-Bangkok
- *14th/15th century, Ayutthaya Kingdom conquers the western part of the Khmer Empire
Cambodia–Vietnam
- *1953 Cambodia becomes independent from France, border between Cambodia and France
- *1975 North Vietnam and South Vietnam are re-unified
China–Laos">China–Laos border">China–Laos
- *109 BC, China conquers the Dian Kingdom, border between China and the Mon people
- *1353 Establishment of the kingdom of Lan Xang, border between Lan Xang and the Mongolian Empire
- *1381 Ming China conquers Yunnan from Yuan loyalists
China–Pakistan">China–Pakistan border">China–Pakistan
- *1963 Trans-Karakoram Treaty
China–India">Line of Actual Control">China–India
- Shahidulla Mazar-Leh
- *1984 After Indian offensive against Pakistan on Siachen Glacier at 5,000 meters above sea level, disputed
- Gartog-Leh
- *1962 Disputed, cease fire
- Gartog-Shimla
- *1724 China conquers Tibet from the Dzungars, border between China and the Mughal Empire
- *1947 Indian independence, border between India and Tibet
- *1951 Tibet cedes de facto sovereignty to the People's Republic of China
- Khampa Dsong-Gangtok
- *1724 China conquers Tibet from the Dzungars, border between China and Sikkim
- *1947 Indian independence, border between India and Tibet
- *1951 Conquest of Tibet by China
- Lhasa-Tinsukia
- *1947 Indian independence, border between India and Tibet
- *1951 Conquest of Tibet by China
China–Kazakhstan">China–Kazakhstan border">China–Kazakhstan
- *1881 at the Treaty of Saint Petersburg, border between China and Russia.
- *1991 Kazakhstani independence.
China–Kyrgyzstan">China–Kyrgyzstan border">China–Kyrgyzstan
- *1881 At the Treaty of Saint Petersburg, border between China and Russia
- *1991 Kyrgyzstani independence
China–Mongolia">China–Mongolia border">China–Mongolia
- *1911 Mongolian independence.
China–Nepal">China–Nepal border">China–Nepal
- *1724 China conquers Tibet from the Dzungars, border between China and the Nepalese kingdoms
- *1768 The king of Gorkha unites all Nepalese kingdoms into one
China–North Korea">China–North Korea border">China–North Korea
- *1895/1910 after Japanese conquest, border between China and Japan.
- *1945/1948 North Korean independence.
China–Tajikistan">China–Tajikistan border">China–Tajikistan
China–Russia">China–Russia border">China–Russia
- From Mudanjiang - Vladivostok to Mohe - Never
- *1858 at the Treaty of Aigun.
- Manzouli - Krasnokamensk
- *1689 at the Treaty of Nerchinsk.
- Altay - Gorno-Altaysk
- *1755, China acquires the Ili-basin, border between China and the Altays.
- *1758, Russia acquires part of the Altay territory.
China–Vietnam">China–Vietnam border">China–Vietnam
- Malipo-Hanoi
- *1st millennium BC?, border between Văn Lang and the Dian Kingdom
- *938, Vietnam becomes independent from China
- Nanning-Hanoi
- *1st millennium BC?, border of Văn Lang
- *214 BC, China conquers Guangxi
East Timor–Indonesia
- *1949 Indonesia becomes independent from the Netherlands, border between Indonesia and Portugal
- *2002 East Timor becomes independent from Indonesia
Egypt–Israel">Egypt-Israel border">Egypt–Israel
- *1841 The United Kingdom forces Egypt to retreat from the Levant, border between Egypt and the Ottoman Empire
- *1948 Israeli independence
Egypt–Palestine (Gaza)">Gaza–Egypt border">Egypt–Palestine (Gaza)
- *1841 The United Kingdom forces Egypt to retreat from the Levant, border between Egypt and the Ottoman Empire
- *1988 Palestine declaration, Egyptian withdrawal from Gaza
- *1977 Egyptian recognition of Israel
Georgia–Turkey">Georgia–Turkey border">Georgia–Turkey
- *1921 at the Treaty of Kars, border between Turkey and the Soviet Union.
- *1991 Georgian independence.
India–Nepal">India–Nepal border">India–Nepal
- Siliguri-Kathmandu
- *1923 The British Empire recognizes the independence of Nepal, border between Nepal and the British Empire
- *1947 Indian independence from the United Kingdom
- Patna-Kathmandu
- *1768 The king of Gorkha unites all Nepalese kingdoms into one, border between Nepal and Great Britain
- *1947 Indian independence from the United Kingdom
- Gorakhpur-Kathmandu
- *1768 The king of Gorkha unites all Nepalese kingdoms into one, border between Nepal and the Mughal Empire
- *1947 Indian independence from the United Kingdom
- Delhi-Kathmandu
- *1923 The British Empire recognizes the independence of Nepal, border between Nepal and the British Empire
- *1947 Indian independence from the United Kingdom
India–Pakistan">India–Pakistan border">India–Pakistan
- Siachen Glacier
- *1984 After Indian offensive on a glacier at 5,000 meters above sea level
- From Srinagar-Skardu to Ahmedabad-Karachi
- *1947 Partition of India into two Dominions India and Pakistan following the Indian independence act and cease fire line of the war between India and Pakistan on Kashmir.
Indonesia–Malaysia">Indonesia–Malaysia border">Indonesia–Malaysia
- *1949 Indonesia becomes independent from the Netherlands, border between Indonesia and the United Kingdom
- *1963 Establishment of Malaysia
Iran–Iraq">Iran–Iraq border">Iran–Iraq
- *16th century, border between Persia and the Ottoman Empire
- *1932 Iraqi independence
Iran–Pakistan">Iran–Pakistan border">Iran–Pakistan
- *1872 Border agreement between Persia and the British Empire
- *1947 Pakistan becomes independent from the United Kingdom
Iran–Turkey">Iran–Turkey border">Iran–Turkey
- *16th century, border between Persia and the Ottoman Empire.
Iran–Turkmenistan">Iran-Turkmenistan border">Iran–Turkmenistan
- *1885 After Russian conquest of Merv, border between Iran and Russia
- *1991 Turkmenistani independence
Iraq–Jordan">Iraq–Jordan border">Iraq–Jordan
- *1932 Iraqi independence, border between Iraq and the British League of Nations mandate of Palestine
- *1946 Jordanian independence
Iraq–Kuwait">Iraq–Kuwait border">Iraq–Kuwait
- *1932 Iraqi independence, border between Iraq and the British protectorate of Kuwait
- *1961 Kuwaiti independence
Iraq–Saudi Arabia">Iraq–Saudi Arabia border">Iraq–Saudi Arabia
- Baghdad-Al-Jawf
- *1926 Unification of Nejd and Hijaz, border between Saudi Arabia and the British League of Nations mandate of Iraq
- *1932 Iraqi independence
- Nasiriyah-Ar Riyad
- *1975/1991 The Saudi-Iraqi neutral zone is split in two parts
Iraq–Syria">Iraq–Syria border">Iraq–Syria
- *1932 Iraqi independence, border between Iraq and the French League of Nations mandate of Syria
- *1944 Syrian independence
Iraq–Turkey">Iraq–Turkey relations">Iraq–Turkey
- *1923 at the Treaty of Lausanne, border between Turkey and the British League of Nations mandate of Iraq.
- *1932 Iraqi independence.
Israel–Syria">Israel–Syria border">Israel–Syria
- *1944 Syrian independence, border between Syria and the British League of Nations mandate of Palestine
- *1948 Israeli independence
Israel-Palestine (West Bank, East Jerusalem)">Israel-Palestine Border">Israel-Palestine (West Bank, East Jerusalem)
- *1988 Palestine Declaration of Independence
- *1993 Oslo Accords between Israel and Palestine
- *1948 Israel independence
Israel–Jordan
- Hefa-Irbid
- *1047 BC, border between Israel and Aram Damascus
- *1946 Jordanian independence, border between Jordan and the British United Nations mandate of Palestine
- *1948 Israeli independence
- From Beersheba-Ma'an to Eilat-Al-'Aqabah
- *1946 Jordanian independence, border between Jordan and the British United Nations mandate of Palestine
- *1948 Israeli independence
Jordan–Syria">Jordan–Syria border">Jordan–Syria
- *1944 Syrian independence, border between Syria and the British League of Nations mandate of Palestine
- *1946 Jordanian independence
Jordan–Saudi Arabia">Jordan–Saudi Arabia border">Jordan–Saudi Arabia
- *1926 Unification of Nejd and Hijaz, border between Saudi Arabia and the British League of Nations mandate of Palestine
- *1946 Independence of Jordan
Jordan-Palestine (West bank)
- *1988 Jordanian withdrawal from West Bank, Palestinian independence declaration
- *1946 Jordanian independence
- *1994 Jordanian recognition of Israel
Kazakhstan–Kyrgyzstan">Kazakhstan–Kyrgyzstan border">Kazakhstan–Kyrgyzstan
- *1991 Kazakhstani and Kyrgyzstani independence.
Kazakhstan–Russia">Kazakhstan–Russia border">Kazakhstan–Russia
- *1991 dissolution of the Soviet Union.
Kazakhstan–Turkmenistan">Kazakhstan-Turkmenistan border">Kazakhstan–Turkmenistan
- *1991 Kazakhstani and Turkmenistani independence.
Kazakhstan–Uzbekistan">Kazakhstan–Uzbekistan border">Kazakhstan–Uzbekistan
- *1991 Kazakhstani and Uzbekistani independence.
Kuwait–Saudi Arabia
- Al-Kuwayt-Al-Hafar al-Batin
- *1926 Unification of Nejd and Hijaz, border between Saudi Arabia and the British protectorate of Kuwait
- *1961 Kuwaiti independence
- Al-Kuwayt-Dammam
- *1970 The Saudi-Kuwaiti neutral zone is split in two parts
Kyrgyzstan–Tajikistan">Kyrgyzstan–Tajikistan border">Kyrgyzstan–Tajikistan
- *1991 Kyrgyzstani and Tajikistani independence
Kyrgyzstan–Uzbekistan">Kyrgyzstan–Uzbekistan border">Kyrgyzstan–Uzbekistan
- *1991 Kyrgyzstani and Uzbekistani independence
Laos–Burma
- *1353 Establishment of Lan Xang, border between Lan Xang and the Shan states
- *1557 Burma conquers the Shan States
Laos–Thailand
- Luang Prabang-Chiang Mai
- *1353 Establishment of Lan Xang, border between Lan Xang and Lanna
- *1774 Lanna is conquered by Thailand, border between Thailand and Luang Prabang
- *1954 Laos becomes independent from France
- Vientiane-Nakhon Ratchasima
- *1893 France conquers Vientiane from Thailand, border between Thailand and France
- *1954 Laos becomes independent from France
Laos–Vietnam
- Phong Saly-Lai Châu
- *1st millennium BC, border between Văn Lang and the Mon people
- *1353 Establishment of Lan Xang
- Luang Prabang-Hanoi
- *938 Vietnamese independence from China, border between Vietnam and the Tai
- *1353 Establishment of Lan Xang
- Vientiane-Xa-doai
- *938 Vietnamese independence from China, border between Vietnam and the Khmer Empire
- *1353 Establishment of Lan Xang
- Chamrap-Ða Nang
- *1353 Establishment of Lan Xang, border between Lan Xang and Champa
- *1475 Vietnam conquers northern Champa
Lebanon–Syria">Lebanon–Syria border">Lebanon–Syria
- *1941/1943 Lebanese independence, border between Lebanon and the French League of Nations mandate of Syria
- *1944 Syrian independence
Lebanon–Israel">Blue Line (Lebanon)">Lebanon–Israel
- *1941/1943 Lebanese independence, border between Lebanon and the British League of Nations mandate of Palestine
- *1948 Israeli independence
Malaysia–Singapore">Malaysia–Singapore border">Malaysia–Singapore
- *1965 Singapore becomes independent from Malaysia
Malaysia–Thailand">Malaysia–Thailand border">Malaysia–Thailand
- *1909 Treaty of Bangkok, border between Thailand and the British Empire
- *1963 Establishment of Malaysia
Mongolia–Russia">Mongolia–Russia border">Mongolia–Russia
- From Choibalsan - Krasnokamensk to Mörön - Tulun
- *1727 at the Treaty of Kyakhta, border between Russia and China.
- *1911 Mongolian independence.
- From Mörön - Kyzyl to Ulaangom - Kyzyl
- *1912/1944 Russia annexes Tuva.
- Ölgij - Gorno-Altaysk
- *1758, Russia acquires part of the Altay territory, border between China and Russia.
- *1911 Mongolian independence.
North Korea–South Korea">Korean Demilitarized Zone">North Korea–South Korea
- * 1953 after ceasefire.
North Korea–Russia">North Korea–Russia border">North Korea–Russia
- *1858 at the Treaty of Aigun, border between Russia and China.
- *1948 Creation of North Korea, border between North Korea and the Soviet Union.
- *1991 Russian self-determination.
Oman–Saudi Arabia">Oman–Saudi Arabia border">Oman–Saudi Arabia
- *1990 Border agreement
Oman–United Arab Emirates">Oman–United Arab Emirates border">Oman–United Arab Emirates
- Khasab-Dubai
- *1971 The United Arab Emirates and Oman become independent from the United Kingdom
- Shinas-Dubai
- *1971 The United Arab Emirates and Oman become independent from the United Kingdom
- Al Buraymi-Abu Zabi
- *1971 The United Arab Emirates and Oman become independent from the United Kingdom
- *1999 Border dispute on Al-Buraymi resolved
Oman–Yemen">Oman–Yemen border">Oman–Yemen
- *1971 Omani independence, border between Oman and South Yemen
- *1990 North Yemen and South Yemen are unified
- *1992 Border dispute between Oman and Yemen settled about Habarut
Saudi Arabia–Qatar
- *2009 Signed at the UN headquarters
Saudi Arabia–United Arab Emirates">Saudi Arabia–United Arab Emirates border">Saudi Arabia–United Arab Emirates
- *1974 Treaty of Jeddah, disputed
Saudi Arabia–Yemen">Saudi Arabia–Yemen border">Saudi Arabia–Yemen
- Ar Riyad-Mukalla
- *1926 Unification of Nejd and Hijaz, border between Saudi Arabia and the British protectorate of Aden
- *1990 Unification of South Yemen and North Yemen
- Jizan-San'a
- *1934 Treaty of Taif, border between Saudi Arabia and Yemen
Syria–Turkey">Syria–Turkey border">Syria–Turkey
- From Nusaybin - Cizre to Aleppo - Gaziantep
- *1923 at the Treaty of Lausanne, border between Turkey and the French League of Nations mandate of Syria.
- *1944 Syrian independence.
- Aleppo - Antakya
- *1939 after referendum, border between Turkey and the French League of Nations mandate of Syria.
- *1944 Syrian independence.
Tajikistan–Uzbekistan">Tajikistan–Uzbekistan border">Tajikistan–Uzbekistan
- *1991 Tajikistani and Uzbekistani independence
Turkmenistan–Uzbekistan">Turkmenistan–Uzbekistan border">Turkmenistan–Uzbekistan
- *1991 Turkmenistani and Uzbekistani independence
Oceania
Indonesia–Papua New Guinea
- *1969 The Netherlands cedes Papua to Indonesia, border between Indonesia and Australia
- *1975 Papua New Guinea becomes independent from Australia
Africa
Algeria–Libya">Algeria–Libya border">Algeria–Libya
- *1951 Libya becomes independent, border between Libya and France
- *1962 Algeria becomes independent
Algeria–Mali">Algeria–Mali border">Algeria–Mali
- *1960 Mali becomes independent, border between Mali and France
- *1962 Algeria becomes independent
Algeria–Mauritania">Algeria–Mauritania border">Algeria–Mauritania
- *1960 Mauritania becomes independent, border between Mauritania and France
- *1962 Algeria becomes independent
Algeria–Morocco">Algeria–Morocco border">Algeria–Morocco
- Tlemcen-Oujda
- *1554 Morocco is established after a merger of small states, border between Saadi Sultanat and the Regency Of Algiers
- *1710 Algiers becomes independent
- Béchar-Casablanca
- *1844 Border between France and Alaouite Sultanate established after a war
- *1962 Algerian independence, Algerian borders has shrunk from Moulouya river to Kiss river
Algeria–Niger">Algeria–Niger border">Algeria–Niger
- *1960 Niger becomes independent, border between Niger and France
- *1962 Algeria becomes independent
Algeria–Tunisia">Algeria–Tunisia border">Algeria–Tunisia
- *1956 Tunisia becomes independent, border between Tunisia and France
- *1962 Algeria becomes independent
[Angola–Democratic [Republic of the Congo border|Angola–Democratic Republic of the Congo]]
- *1960 Congolese independence, border between Congo-Léopoldville and Portugal
- *1975 Angola becomes independent
Angola–Namibia
- *1975 Angola becomes independent, border between Angola and South Africa
- *1990 Namibia becomes independent
Angola–Republic of the Congo">Angola–Republic of the Congo border">Angola–Republic of the Congo
- *1960 Congolese independence, border between Congo-Brazzaville and Portugal
- *1975 Angola becomes independent
Angola–Zambia
- *1964 Zambia becomes independent, border between Zambia and Portugal
- *1975 Angola becomes independent
Benin–Burkina Faso">Benin–Burkina Faso border">Benin–Burkina Faso
- *1960 Independence for Benin and Burkina Faso
Benin–Niger">Benin–Niger border">Benin–Niger
- *1960 Independence for Benin and Niger
Benin–Nigeria">Benin–Nigeria border">Benin–Nigeria
- *1960 Independence for Benin and Nigeria
Burkina Faso–Togo">Burkina Faso–Togo border">Burkina Faso–Togo
- *1960 Independence for Burkina Faso and Togo
Burkina Faso–Ghana">Burkina Faso–Ghana border">Burkina Faso–Ghana
- *1957 Ghana becomes independent, border between Ghana and France
- *1960 Togo becomes independent
Burkina Faso–Côte d'Ivoire
- *1960 Independence for Burkina Faso and Côte d'Ivoire
Burkina Faso–Mali">Burkina Faso–Mali border">Burkina Faso–Mali
- *1960 Independence for Burkina Faso and Mali
Burkina Faso–Niger">Burkina Faso–Niger border">Burkina Faso–Niger
- *1960 Independence for Burkina Faso and Niger
Botswana–South Africa">Botswana–South Africa border">Botswana–South Africa
- *1931 South Africa becomes independent, border between South Africa and the United Kingdom
- *1966 Botswana becomes independent
Botswana–Zimbabwe
- *1966 Botswana becomes independent, border between Botswana and Rhodesia
- *1980 Zimbabwe becomes independent
Botswana–Namibia
- *1966 Botswana becomes independent, border between Botswana and South Africa
- *1990 Namibia becomes independent
Burundi–Democratic Republic of the Congo
- *16th century, Establishment of Burundi, border of Burundi
- *1960 Congolese independence, border between Congo-Léopoldville and Belgium
- *1962 Burundi becomes independent
Burundi–Rwanda
- *2nd Millennium, Establishment of Burundi and Rwanda
- *1962 Burundi and Rwanda become independent from Belgium
Burundi–Tanzania
- *16th century, Establishment of Burundi, border of Burundi
- *1962 Burundi becomes independent, border between Burundi and Tanganyika
- *1964 Establishment of Tanzania after a merger between Tanganyika and Zanzibar
Cameroon–Central African Republic
- *1960 Independence for Cameroon and the Central African Republic
Cameroon–Republic of the Congo
- *1960 Independence for Cameroon and Congo-Brazzaville
Central African Republic–Republic of the Congo">Central African Republic–Republic of the Congo border">Central African Republic–Republic of the Congo
- *1960 Central African and Congolese independence
Central African Republic–Democratic Republic of the Congo
- *1960 Central African and Congolese independence
Central African Republic–Chad
- *1960 Independence for the Central African Republic and Chad
Cameroon–Gabon
- *1960 Independence for Cameroon and Gabon
Cameroon–Equatorial Guinea
- *1960 Cameroon becomes independent, border between Cameroon and Spain
- *1968 Equatorial Guinea becomes independent
Cameroon–Chad">Cameroon–Chad border">Cameroon–Chad
- *1960 Independence for Cameroon and Chad
Cameroon–Nigeria
- Garoua-Maiduguri
- *1960 Cameroon becomes independent, border between Cameroon and the British United Nations mandate of Cameroons
- *1961 Northern Cameroons votes to become part of Nigeria
- Bamenda-Yola
- *1961 After a referendum it is decided that Northern Cameroons becomes part of Nigeria and Southern Cameroons part of Cameroon
- Douala-Calabar
- *1960 Nigerian independence, border between Nigeria and the British United Nations mandate of Cameroons
- *1961 Southern Cameroons votes to become part of Cameroon
Chad–Libya">Chad–Libya border">Chad–Libya
- *1951 Libya becomes independent, border between Libya and France
- *1960 Chad becomes independent
Chad–Niger">Chad–Niger border">Chad–Niger
- *1960 Independence for Chad and Niger
Chad–Nigeria">Chad–Nigeria border">Chad–Nigeria
- *1980s, Lake Chad nearly dried up, border of Chad and Nigeria becomes a land border
Central African Republic–Sudan">Central African Republic–Sudan border">Central African Republic–Sudan
- *1956 Sudanese independence from the United Kingdom and Egypt, border between Sudan and France
- *1960 The Central African Republic becomes independent
Chad–Sudan">Chad–Sudan border">Chad–Sudan
- *1956 Sudanese independence from the United Kingdom and Egypt, border between Sudan and France
- *1960 Chad becomes independent
Côte d'Ivoire–Mali
- *1960 Independence for Côte d'Ivoire and Mali
Côte d'Ivoire–Guinea
- *1958 Guinea becomes independent, border between Guinea and France
- *1960 Côte d'Ivoire becomes independent
Côte d'Ivoire–Liberia
- San Pédro-Harper
- *1857 The Republic of Maryland joins Liberia, border of Liberia
- *1960 Côte d'Ivoire becomes independent
- Man-Zwedru
- *1892 Border agreement between Liberia and France
- *1960 Côte d'Ivoire becomes independent
Democratic Republic of the Congo–Sudan
- *1956 Sudanese independence from the United Kingdom and Egypt, border between Sudan and Belgium
- *1960 Congolese independence
Democratic Republic of the Congo–Republic of the Congo
- *1960 Independence for both Congo's, both named Republic of the Congo at the time
Democratic Republic of the Congo–Rwanda
- *2nd Millennium, Establishment of Rwanda, border of Rwanda
- *1960 Congolese independence, border between Congo-Léopoldville and Belgium
- *1962 Rwanda becomes independent
Democratic Republic of the Congo–Uganda
- *1960 Congolese independence, border between Congo-Léopoldville and the United Kingdom
- *1962 Uganda becomes independent
Democratic Republic of the Congo–Zambia
- *1960 Congolese independence, border between Congo-Léopoldville and the United Kingdom
- *1964 Zambia becomes independent
Djibouti–Eritrea
- *1977 Djibouti becomes independent, border between Djibouti and Ethiopia
- *1991 Eritrean independence
Djibouti–Ethiopia
- *1897 Border established between Abyssinia and France
- *1977 Djibouti becomes independent
Djibouti–Somalia
- *1960 Somalian independence, border between Somalia and France
- *1977 Djibouti becomes independent
Egypt–Libya">Egypt–Libya border">Egypt–Libya
- *1922 Egyptian independence, border between Egypt and Italy
- *1951 Libyan independence
Egypt–Sudan">Egypt–Sudan border">Egypt–Sudan
- *1956 Sudanese independence from the United Kingdom and Egypt
Equatorial Guinea–Gabon
- *1960 Gabon becomes independent, border between Gabon and Spain
- *1968 Equatorial Guinea becomes independent
Eritrea–Sudan
- *1956 Sudanese independence from the United Kingdom and Egypt, border between Sudan and Ethiopia
- *1991 Eritrean independence
Eritrea–Ethiopia
- *1900/1902/1908 Border established between Abyssinia and Italy
- *1991 Eritrean independence after the Ethiopian Civil War
Ethiopia–Kenya
- *1907 Border agreement between Abyssinia and the British Empire
- *1963 Kenya becomes independent
Ethiopia–Sudan
- *1902 Border between Abyssinia and the United Kingdom established
- *1956 Sudanese independence from the United Kingdom and Egypt, border between Sudan and Ethiopia
Ethiopia–Somalia
- Harar-Hargeysa
- *1897 Anglo-Egyptian Treaty, border between Abyssinia and the British Empire
- *1960 Somalian independence
- Adis Abeba-Muqdisho
- *1897 Border agreement between Abyssinia and Italy
- *1960 Somalian independence
Gabon–Republic of the Congo
- *1960 Independence for Gabon and Congo-Brazzaville
The Gambia–Senegal
- *1960 Senegal becomes independent, border between Senegal and the United Kingdom
- *1965 The Gambia becomes independent
Ghana–Togo">Ghana–Togo border">Ghana–Togo
- *1957 Ghana becomes independent, border between Ghana and the French United Nations mandate of Togoland
- *1960 Togo becomes independent
Ghana–Côte d'Ivoire
- *1957 Ghana becomes independent, border between Ghana and France
- *1960 Côte d'Ivoire becomes independent
Guinea–Liberia">Guinea–Liberia border">Guinea–Liberia
- *1892 Border agreement between Liberia and France
- *1958 Guinea becomes independent
Guinea–Sierra Leone">Guinea–Sierra Leone border">Guinea–Sierra Leone
- *1958 Guinea becomes independent, border between Guinea and the United Kingdom
- *1961 Sierra Leone becomes independent
Guinea–Mali">Guinea–Mali border">Guinea–Mali
- *1958 Guinea becomes independent, border between Guinea and France
- *1960 Mali becomes independent
Guinea–Senegal">Guinea–Senegal border">Guinea–Senegal
- *1958 Guinea becomes independent, border between Guinea and France
- *1960 Senegal becomes independent
Guinea–Guinea-Bissau">Guinea–Guinea-Bissau border">Guinea–Guinea-Bissau
- *1958 Guinea becomes independent, border between Guinea and Portugal
- *1973/1974 Guinea-Bissau becomes independent
Guinea-Bissau–Senegal
- *1960 Senegal becomes independent, border between Senegal and Portugal
- *1973/1974 Guinea-Bissau becomes independent
Kenya–Sudan
- *1956 Sudanese independence from the United Kingdom and Egypt, border between Sudan and the United Kingdom
- *1963 Kenya becomes independent
Kenya–Somalia
- *1960 Somalian independence, border between Somalia and the United Kingdom
- *1963 Kenya becomes independent
Kenya–Uganda
- *1962 Uganda becomes independent, border between Uganda and the United Kingdom
- *1963 Kenya becomes independent
Kenya–Tanzania
- *1963 Kenya becomes independent, border between Kenya and Tanganyika
- *1964 Establishment of Tanzania after a merger between Tanganyika and Zanzibar
Lesotho–South Africa">Lesotho–South Africa border">Lesotho–South Africa
- Maseru-Pietermaritzburg
- *1822 Establishment of Basutoland, border between Basutoland and the Zulu Kingdom
- *1931 South Africa becomes independent, border between South Africa and the United Kingdom
- *1966 Lesotho becomes independent.
- Maseru-East London
- *1822 Establishment of Basutoland, border between Basutoland and the Xhosa
- *1931 South Africa becomes independent, border between South Africa and the United Kingdom
- *1966 Lesotho becomes independent
- Maseru-Bloemfontein
- *1931 South Africa becomes independent, border between South Africa and the United Kingdom
- *1966 Lesotho becomes independent
Libya–Niger">Libya–Niger border">Libya–Niger
- *1951 Libyan independence, border between Libya and France
- *1960 Niger becomes independent
Libya–Sudan">Libya–Sudan border">Libya–Sudan
- *1951 Libyan independence, border between Libya and the United Kingdom
- *1956 Sudanese independence from the United Kingdom and Egypt
Libya–Tunisia">Libya–Tunisia border">Libya–Tunisia
- *1951 Libya becomes independent, border between Libya and France
- *1956 Tunisia becomes independent
Liberia–Sierra Leone">Liberia–Sierra Leone border">Liberia–Sierra Leone
- Robertsport-Freetown
- *1847 Liberia becomes independent from the United States, border of Liberia
- *1961 Sierra Leone becomes independent
- Voinjama-Koidu
- *1885 Border agreement between Liberia and the British Empire
- *1961 Sierra Leone becomes independent
Mali–Senegal">Mali–Senegal border">Mali–Senegal
- *1960 Independence for Mali and Senegal
Mali–Mauritania">Mali–Mauritania border">Mali–Mauritania
- *1960 Independence for Mali and Mauritania
Malawi–Mozambique
- *1964 Malawi becomes independent, border between Malawi and Portugal
Mali–Niger">Mali–Niger border">Mali–Niger
- *1960 Independence for Mali and Niger
Malawi–Tanzania">Malawi-Tanzania border">Malawi–Tanzania
- *1964 Establishment of Tanzania after a merger between Tanganyika and Zanzibar and the independence of Malawi
Malawi–Zambia
- *1964 Malawi and Zambia becomes independent
Mauritania–Senegal">Mauritania–Senegal border">Mauritania–Senegal
- *1960 Independence for Mauritania and Senegal
Morocco–Spain">Morocco–Spain border">Morocco–Spain
Mozambique–South Africa">Mozambique–South Africa border">Mozambique–South Africa
- *1931 South Africa becomes independent, border between South Africa and Portugal
- *1975 Mozambique becomes independent from the Portuguese Empire.
Mozambique–Swaziland
- *1830s, Swaziland is moved up north in order to reduce the pressure from the Zulus, border between Swaziland and Portugal
- *1975 Mozambique becomes independent
Mozambique–Tanzania
- *1964 Establishment of Tanzania after a merger between Tanganyika and Zanzibar, border between Tanzania and Portugal
- *Mozambique becomes independent
Mozambique–Zambia
- *1964 Zambia becomes independent, border between Zambia and Portugal
- *1975 Mozambique becomes independent
Mozambique–Zimbabwe
- *1975 Mozambique becomes independent, border between Mozambique and Rhodesia
- *1980 Zimbabwe becomes independent
Namibia–Zambia
- *1964 Zambia becomes independent, border between Zambia and South Africa
- *1990 Namibia becomes independent
Namibia–South Africa
- *1990 Namibia becomes independent from South Africa
Niger–Nigeria
- *1960 Independence for Niger and Nigeria
Rwanda–Tanzania
- *2nd Millennium, Establishment of Rwanda, border of Rwanda
- *1962 Rwanda becomes independent, border between Rwanda and Tanganyika
- *1964 Establishment of Tanzania after a merger between Tanganyika and Zanzibar
Rwanda–Uganda
- *2nd Millennium, Establishment of Rwanda, border of Rwanda
- *1962 Independence of Rwanda and Uganda
Sudan–Uganda
- *1956 Sudanese independence from the United Kingdom and Egypt, border between Sudan and the United Kingdom
- *1962 Uganda becomes independent
South Africa–Eswatini">Eswatini–South Africa border">South Africa–Eswatini
- *1830s, Swaziland is moved up north in order to reduce the pressure from the Zulus, border of Swaziland
- *1931 South Africa becomes independent, border between South Africa and the United Kingdom
- *1968 Swaziland becomes independent
South Africa–Zimbabwe">South Africa–Zimbabwe border">South Africa–Zimbabwe
- *1931 South Africa becomes independent, border between South Africa and the United Kingdom
- *1980 Zimbabwe becomes independent
Tanzania–Uganda
- *1962 Uganda becomes independent, border between Uganda and Tanganyika
- *1964 Establishment of Tanzania after a merger between Tanganyika and Zanzibar
Tanzania–Zambia
- *1964 Establishment of Tanzania after a merger between Tanganyika and Zanzibar and the independence of Zambia
Zambia–Zimbabwe
- *1964 Zambia becomes independent, border between Zambia and the United Kingdom
- *1980 Zimbabwe becomes independent
North America
Belize–Guatemala">Belize–Guatemala border">Belize–Guatemala
- *1840 Guatemala becomes independent from Central America, border between Guatemala and the United Kingdom
- *1981 Belize becomes independent
Belize–Mexico">Belize–Mexico border">Belize–Mexico
- *1821 Mexico becomes independent from the Spanish Empire, border between Mexico and the United Kingdom
- *1981 Belize becomes independent
Canada–United States">Canada–United States border">Canada–United States
- Saint John-Bangor
- *1783 At the Treaty of Paris ending the American Revolutionary War, border between the United States and Great Britain
- Edmundston-Presque Isle
- *1842 At the Webster–Ashburton Treaty ending the Aroostook War, border between the United States and the United Kingdom
- From Montréal-Boston to Thunder Bay-Minneapolis
- *1783 At the Treaty of Paris, border between the United States and Great Britain
- From Winnipeg-Grand Forks to Calgary-Great Falls
- *1818 At the Treaty of 1818, border between the United States and the United Kingdom
- Vancouver-Seattle
- *1846 At the Oregon Treaty, border between the United States and the United Kingdom
- Whitehorse-Juneau
- *1903 At the Hay–Herbert Treaty, border between the United States and the British Empire
- From Whitehorse-Anchorage to Inuvik-Prudhoe Bay
- *1867 Alaska Purchase, border between the United States and the United Kingdom
Canada–Denmark
- *2022 agreement to divide Hans Island
Costa Rica–Panama">Costa Rica–Panama border">Costa Rica–Panama
- *1838 Costa Rica becomes independent, border between Colombia and Costa Rica
- *1903 Panama becomes independent
Costa Rica–Nicaragua">Costa Rica–Nicaragua border">Costa Rica–Nicaragua
- *1838 Costa Rica and Nicaragua become independent
Dominican Republic–Haiti
- *1804 Haiti becomes independent from the French Empire, border between Haiti and France
- *1821/1844 The Dominican Republic becomes independent from Haiti
El Salvador–Guatemala">El Salvador–Guatemala border">El Salvador–Guatemala
- *1840 El Salvador and Guatemala become independent
El Salvador–Honduras">El Salvador–Honduras border">El Salvador–Honduras
- *1839 Honduras becomes independent from the Federal Republic of Central America, border between Honduras and the Federal Republic of Central America
- *1840 El Salvador established after the dissolution of the Federal Republic of Central America
France–Netherlands
- *1648 France and the Netherlands divide Saint Martin.
Guatemala–Honduras">Guatemala–Honduras border">Guatemala–Honduras
- *1839 Honduras becomes independent from the Federal Republic of Central America, border between Honduras and the Federal Republic of Central America
Guatemala–Mexico">Guatemala–Mexico border">Guatemala–Mexico
- *1821 Mexico becomes independent, border between Mexico and the Federal Republic of Central America
- *1840 Guatemala becomes independent
Honduras–Nicaragua">Honduras–Nicaragua border">Honduras–Nicaragua
- *1838 Nicaragua becomes independent from the Federal Republic of Central America, border between Nicaragua and the Federal Republic of Central America
- *1839 Honduras becomes independent
Mexico–United States">Mexico–United States border">Mexico–United States
- From Matamoros-Corpus Christi to Juárez-El Paso
- *1848 At the Treaty of Guadalupe Hidalgo ending the Mexican-American War.
- Hermosillo-Phoenix
- *1853 Gadsden Purchase
- Tijuana-San Diego
- *1848 At the Treaty of Guadalupe Hidalgo
South America
Argentina–Brazil">Argentina–Brazil border">Argentina–Brazil
- Puerto Iguazú-Foz do Iguaçu
- *1814 Misiones is claimed by Argentina, border between Argentina and Portugal
- Posadas-Pato Branco
- *1927 Border between Argentina and Brazil is settled
- Posadas-Porto Alegre
- *1814 Misiones is claimed by Argentina, border between Argentina and Portugal
- Corrientes-Santa Maria
- *1820 After the division of the territory of the Liga Federal, border between the United Provinces of South America and Portugal
Argentina–Bolivia">Argentina–Bolivia border">Argentina–Bolivia
- *1825 Bolivian independence from the United Provinces of South America
- *1925 Final border Treaty
Argentina–Chile">Argentina–Chile border">Argentina–Chile
- Salta-Antofagasta
- *1884 Chile conquers the Bolivian Antofagasta Region
- *1899 Border settled
- Mendoza-Santiago de Chile
- *1810 The United Provinces of South America becomes independent, border between Argentina and Spain
- *1818 Chile becomes independent with help from Argentina
- *1856 Treaty of 1856 between Chile and Argentina
- From Comodoro Rivadavia-Coihaique to Ushuaia-Punta Arenas
- *1881 Boundary Treaty of 1881 between Chile and Argentina
- *1902 Arbitral award of the Andes of 1902 between Argentina and Chile
Argentina–Paraguay">Argentina–Paraguay border">Argentina–Paraguay
- *1870 Border established after the Paraguayan War
Argentina–Uruguay">Argentina–Uruguay border">Argentina–Uruguay
- *1820 Liga Federal is dissolved and the United Provinces of South America annexes the western provinces, creating today's border
- *1821 The remainder of Liga Federal is annexed by the United Kingdom of Portugal, Brazil and the Algarves
- *1825 Uruguay declares independence
- *1828 Uruguayan independence is recognized
Bolivia–Brazil">Bolivia–Brazil border">Bolivia–Brazil
- La Paz-Rio Branco
- *1903 Treaty of Petropolis, Bolivia cedes Acre to Brazil
- Riberalta-Bom Comérico
- *1867 Bolivia cells northern Acre to Brazil
- La Paz-Porto Velho
- *1822 Brazilian independence, border between Brazil and Spain
- *1825 Bolivian independence
- Santa Cruz-Cuiabá
- *1867 Bolivia cells parts of eastern Bolivia to Brazil
- *1927 Final border Treaty
Bolivia–Chile
- Julaca-Antofagasta
- *1884 Chile conquers the Bolivian Antofagasta Region
- La Paz-Arica
- *1825 Bolivian independence, border between Bolivia and Peru
- *1880 Arica is conquered by Chile
Bolivia–Paraguay
- *1938 Chaco War ends with a truce, the current border created
- *2009 A final Treaty is signed to clearly mark the border
Bolivia–Peru
- La Paz-Arequipa
- *1824 Spanish defeated in Peru, border between Peru and Spain
- *1825 Bolivian independence
- Riberalta-Cuzco
- *1909 Border settled
Brazil–Colombia">Brazil–Colombia border">Brazil–Colombia
- *1907 Treaty of Bogotá, Brazil and Colombia agree on most of the border
- *1928 The Tratado de Límites y Navegación Fluvial is signed, settling the border
Brazil–France">Brazil–France border">Brazil–France
- *1713 The Treaty of Utrecht creates a border between France and Portugal.
- *1822 Brazil obtains independence
Brazil–Guyana
- Santarém-Georgetown
- *1822 Brazilian independence, border between Brazil and the United Kingdom
- *1966 Guyana becomes independent
- Boa Vista-Georgetown
- *1904 Italy arbiters in a border dispute, border between Brazil and the British Empire
- *1966 Guyana becomes independent
- Boa Vista-Imbaimadai
- *1822 Brazilian independence, border between Brazil and the United Kingdom
- *1966 Guyana becomes independent
Brazil–Paraguay
- Campo Grande-Forte Olimpo
- *1870 Paraguay is defeated in the Paraguayan War and loses territory to Brazil, border between Brazil and the disputed Chaco area, claimed by both Bolivia and Paraguay
- *1935 After the Chaco War
- Campo Grande-Asunción
- *1870 Paraguay is defeated in the Paraguayan War and loses territory to Brazil
- Cascavel-Asunción
- *1811 Paraguay becomes independent, border between Paraguay and Portugal
- *1822 Brazilian independence
Brazil–Peru">Brazil–Peru border">Brazil–Peru
- Eirunepé-Iquitos
- *1851 Border agreement
- Rio Branco-Lima
- *1909 Border agreement
Brazil–Suriname
- *1906 Border between Brazil and the Netherlands defined in the Treaty of Limits
- *1975 Suriname obtains independence
Brazil–Uruguay">Brazil–Uruguay border">Brazil–Uruguay
- *1825 Uruguay declares independence
- *1828 Uruguay's independence is accepted by Brazil
Brazil–Venezuela">Brazil–Venezuela border">Brazil–Venezuela
- *1777 First Treaty of San Ildefonso is signed designating the border between Spain and Portugal
- *1819 Gran Colombia becomes independent
- *1822 Brazilian becomes independent
- *1830 Venezuela becomes independent
Colombia–Ecuador">Colombia–Ecuador border">Colombia–Ecuador
- *1830 Ecuador becomes independent from Colombia
- *1916 Final border Treaty
Colombia–Panama">Colombia–Panama border">Colombia–Panama
- *1903 Panama becomes independent from Colombia
Colombia–Peru
- *1922 Border agreement between Colombia and Peru, territory disputed with Ecuador
- *1942 Ecuador loses a war versus Peru
Colombia–Venezuela">Colombia–Venezuela border">Colombia–Venezuela
- *1830 Venezuela becomes independent from Colombia
Ecuador–Peru
- Quito-Iquitos
- *1942 After the Ecuadorian–Peruvian War, disputed
- Cuenca-Sullana
- *1830 Ecuador becomes independent, disputed
France–Suriname
- *17th century, border between France and the Netherlands.
- *1975 Surinamese independence.
Guyana–Suriname
- Georgetown-Paramaribo
- *1966 Guyana becomes independent, border between Guyana and the Netherlands
- *1975 Suriname becomes independent
- Joli-Majoli
- *1966 Guyana becomes independent, border between Guyana and the Netherlands
- *1975 Suriname becomes independent, disputed
Guyana–Venezuela
- *1899 Border settled between Venezuela and the British Empire
- *1966 Guyana becomes independent, border disputed
Borders of Territories with special status
Hong Kong–China">Frontier Closed Area">Hong Kong–China
- Boundary Street
- *1860 China under the Qing dynasty ceded Kowloon Peninsula to the British crown colony of Hong Kong
- Sham Chun River, Sha Tau Kok River and Pak Kung Au
- * 1898 China under the Qing dynasty leased the New Territories to the United Kingdom until 1997, and was added to the crown colony of Hong Kong
- Dongjiaotou
- * 2007 The Central People's Government of the People's Republic of China leased an area in Dongjiaotou for Hong Kong, one of PRC's special administrative regions, to establish a boundary checkpoint across the Deep Bay / Shenzhen Bay.
Algeria–Western Sahara">Algeria–Western Sahara border">Algeria–Western Sahara
- *1962 Algeria becomes independent, border between Algeria and Spain
- *1975 Western Sahara becomes independent and is mostly occupied by Morocco
Mauritania–Western Sahara">Mauritania–Western Sahara border">Mauritania–Western Sahara
- *1960 Mauritania becomes independent, border between Mauritania and Spain
- *1975 Western Sahara becomes independent and is mostly occupied by Morocco
Morocco–Western Sahara">Morocco–Western Sahara border">Morocco–Western Sahara
- *1884 Berlin Conference, Spain gains Western Sahara and subsequently occupies the territory, border between Morocco and Spain
Egypt–Palestinian Territories">Gaza–Egypt border">Egypt–Palestinian Territories
- *1841 The United Kingdom forces Egypt to retreat from the Levant, border between Egypt and the Ottoman Empire
- *2005 Israel evacuates the Gaza Strip
Israel–Palestinian Territories">Israel-Palestine Border">Israel–Palestinian Territories
- From Nazareth-Jenin to Beersheba-Hebron
- *1948 Cease fire line in First Arab-Israeli War, border between Israel and Jordan
- Beersheba-Gaza
- *1948 Cease fire line in the war between Israel and the Arabs, border between Israel and Egypt
- *2005 Israel evacuates the Gaza Strip
Jordan–Palestinian Territories
- *1967 Israel conquers the West Bank, border between Jordan and Israel