1645
Events
January–March
April–June
July–September
- July 2 - English Civil War: Battle of Alford - Alford, Aberdeenshire.
- July 10 - English Civil War: Battle of Langport - Cromwell wins in Somerset.
- July 21 - Qing dynasty regent Dorgon issues a queue order ordering all Han Chinese men to shave their forehead, and braid the rest of their hair into a queue, identical to those of the Manchus.
- July 23 - Tsar Alexei Mikhailovich of Russia comes to the throne.
- July 30 - English Civil War: Scottish Covenanters under Lord Leven begin the Siege of Hereford, a Royalist stronghold.
- August 23 - The Treaty of Brömsebro is signed between Sweden and Denmark–Norway, ending the Torstenson War and ceding Jemtland, Herjedalen, Gotland and Ösel to Sweden, which also holds the province of Halland for a period of 30 years, as a guarantee.
- September 1 - English Civil War: Scottish Covenanters abandon the Siege of Hereford and retreat northwards
- September 10 - English Civil War: Prince Rupert surrenders Bristol.
- September 13 - Scotland in the Wars of the Three Kingdoms: Battle of Philiphaugh - The Covenanters under Sir David Leslie defeat the Royalists under Montrose near Selkirk in the Scottish Borders, restoring the power of the Committee of Estates. After the battle, prisoners and 300 camp followers are slaughtered by Covenanters in cold blood.
- September 24 - English Civil War: Battle of Rowton Heath - Parliamentarians defeat the Royalist cavalry.
October–December
Date unknown
Births
January–March
- January 9 - Sir William Villiers, 3rd Baronet, English politician
- January 22 - Isaac Addington, longtime functionary of various colonial governments of Massachusetts
- January 28 - Gottfried Vopelius, German academic
- February 9 - Johann Aegidius Bach, German organist, father of Johann Bernhard Bach
- February 16 - John Sharp, English Archbishop of York
- February 13 - Vere Fane, 4th Earl of Westmorland, England
- February 22
- * Johann Ambrosius Bach, German musician
- * Johann Christoph Bach, German composer
- February 24 - Francis I Rákóczi, Hungarian prince of Transylvania
- March 17 - Peter Du Cane, the elder, British noble Huguenot refugee
- March 20 - Arthur Brownlow, Anglo-Irish politician
- March 25 - Marco Battaglini, Italian Catholic bishop
April–June
- April 3 - François Vachon de Belmont, French Catholic bishop
- April 11 - Juan del Valle y Caviedes, Spanish-born Peruvian poet
- April 17 - James Olmsted, Connecticut politician
- April 22 - Christine of Baden-Durlach, German noblewoman
- May 3 - Thomas Maule, prominent Quaker in colonial Salem
- May 4 - Thomas Alvey, English physician
- May 14 - François de Callières, French writer and diplomat
- May 15 - George Jeffreys, 1st Baron Jeffreys, British judge
- June 13 - Giacomo Cantelmo, Italian Catholic cardinal
- June 14 - Haquin Spegel, Swedish bishop
- June 15 - Sidney Godolphin, 1st Earl of Godolphin, English politician
July–September
- July 11 - Michael Wening, German engraver
- July 27 - Frederik Johan van Baer, Dutch army commander
- July 28 - Marguerite Louise d'Orléans, French princess
- August - Charles Louis Simonneau, French engraver
- August 3 - August Kühnel, German composer and violist
- August 5 - Charles Schomberg, 2nd Duke of Schomberg, English general
- August 6 - Joseph Herrick, principal law enforcement officer in Salem, Massachusetts
- August 10 - Eusebio Kino, Italian Catholic missionary
- August 14 - Carlos de Sigüenza y Góngora, Mexican academic
- August 16 - Jean de La Bruyère, French writer
- August 25 - Jacob van Wassenaer Obdam, Dutch general
- August 30 - Giuseppe Avanzi, Italian painter
- September 4
- * Johannes Jakob Buxtorf, Swiss Hebraist
- * John North, 5th of fourteen children of Sir Dudley North
- September 10 - Romeyn de Hooghe, Dutch Golden Age painter, engraver, and sculptor
- September 21 - Louis Jolliet, French Canadian explorer known for his discoveries in North America
- September 22 - Chikka Devaraja, Ruler of Mysore
- September 25 - Naitō Kiyokazu, Japanese daimyō who ruled the Takatō Domain
- September 28 - Sir Edward Hales, 3rd Baronet, English politician
October–December
- October 1 - John Alford, English politician
- October 7 - Bernard Desjean, Baron de Pointis, French admiral and privateer
- October 10 - Jakob Gronovius, Dutch classical scholar
- October 21 - Christine Charlotte of Württemberg, Regent of East Frisia
- October 26 - Aert de Gelder, Dutch painter
- October 28 - John Philip II, Wild- and Rhinegrave of Salm-Dhaun, German noble
- November 1 - Thomas Pereira, Portuguese Jesuit mathematician
- November 6 - Johann Gottfried von Guttenberg, Prince-Bishop of Würzburg
- November 11 - Govert van der Leeuw, Dutch painter
- November 12 - Georg Wolfgang Wedel, German physician, surgeon, botanist, chemist, philosopher
- November 17 - Nicolas Lemery, French chemist
- November 30 - Andreas Werckmeister, German organist, music theorist, and composer
- December 3 - Michał Stefan Radziejowski, Polish Catholic cardinal
- December 6 - Maria de Dominici, Maltese artist
- December 14 - Jacob de Wilde, Dutch civil servant, art collector
- December 24 - Hans Carl von Carlowitz, German forester
- December 27 - Giovanni Antonio Viscardi, Swiss architect
Date unknown
Probable
Deaths
- January 2 - Agnes of Limburg-Styrum, Abbess of Elten, Vreden, Borghorst and Freckenhorst
- January 10 - William Laud, Archbishop of Canterbury
- January 11 - Henry Gage, Royalist officer in the English Civil War
- January 17 - Pál Esterházy, Hungarian noble
- January 24 - Giovanni Branca, Italian architect and engineer
- January 30 - Mary Ward, English Roman Catholic Religious Sister and Venerable
- January 31 - Hans Ulrik Gyldenløve, illegitimate son of King Christian IV of Denmark and his mistress
- February 9 - Mutio Vitelleschi, Italian Jesuit Superior General
- February 10 - Dorothea Sophia, Abbess of Quedlinburg Abbey
- February 14 - François de La Rochefoucauld, French Catholic cardinal
- February 16 - Gonzalo Fernández de Córdoba, Spanish general
- February 24 - Philip VII, Count of Waldeck-Wildungen
- March 4 - Matthias Hoe von Hoenegg, German theologian
- March 5 - Johann von Götzen, Imperial General
- March 24 - Sir Thomas Aston, 1st Baronet, English politician
- April 6 - William Burton, British antiquarian
- April 16 - Tobias Hume, English composer
- April 17 - Daniel Featley, English theologian and controversialist
- April 29 - Maximilian of Liechtenstein, Austrian nobleman and Imperial General
- May 20 - Shi Kefa, Chinese Ming Dynasty official
- May 21 - Crown Prince Sohyeon, Korean crown prince
- May 26 - Mariana de Jesús de Paredes, Ecuadorian Roman Catholic hermit and saint
- May 29 - Adam Christian Agricola, German Evangelical preacher
- June 13 - Miyamoto Musashi, Japanese swordsman
- July 7 - Georg Friedrich of Hohenlohe-Neuenstein-Weikersheim, officer and amateur poet
- July 13 - Marie de Gournay, French writer
- July 17 - Robert Carr, 1st Earl of Somerset, Scottish politician
- July 22 - Gaspar de Guzmán, Count-Duke of Olivares, Spanish statesman
- July 23 - Tsar Michael I of Russia
- August 6 - Lionel Cranfield, 1st Earl of Middlesex, English merchant
- August 18 - Eudoxia Streshneva, Tsaritsa of Russia
- August 28 - Hugo Grotius, Dutch philosopher and writer
- August 31 - Francesco Bracciolini, Italian poet
- September 8 - Francisco de Quevedo, Spanish writer
- September 11 - Nikolaus, Count Esterházy, Hungarian noble
- September 14 - Sir Richard Grosvenor, 1st Baronet, English politician
- September 16 - John Macias, Spanish Dominican friar and saint
- October 2 - Francesco Cennini de' Salamandri, Italian Catholic cardinal
- November 21 - William Helyar, English chaplain
- December 7 - Philip Dietrich, Count of Waldeck-Eisenberg
- December 12 - Giovanni Bernardino Azzolini or Mazzolini or Asoleni, Italian painter
- December 17 - Nur Jahan, empress consort of the Mughal Empire
- December 28 - Gaspar de Borja y Velasco, Spanish Catholic cardinal date unknown
- * Françoise-Marie Jacquelin, Acadian heroine
- * William Lithgow, Scottish traveller
- * Sultan Agung, third Sultan of Mataram