April 6
Events
Pre–1600
- 46 BC - Julius Caesar defeats Caecilius Metellus Scipio and Marcus Porcius Cato at the Battle of Thapsus.
- 402 - Stilicho defeats the Visigoths under Alaric in the Battle of Pollentia.
- 1320 - The Scots reaffirm their independence by signing the Declaration of Arbroath.
- 1453 - Mehmed II begins his siege of Constantinople. The city falls on May 29 and is renamed Istanbul.
- 1580 - One of the largest earthquakes recorded in the history of England, Flanders, or Northern France, takes place.
1601–1900
- 1652 - At the Cape of Good Hope, Dutch sailor Jan van Riebeeck establishes a resupply camp that eventually becomes Cape Town.
- 1712 - The New York Slave Revolt of 1712 begins near Broadway.
- 1776 - American Revolutionary War: Ships of the Continental Navy fail in their attempt to capture a Royal Navy dispatch boat.
- 1782 - King Buddha Yodfa Chulaloke of Siam establishes the Chakri dynasty.
- 1793 - During the French Revolution, the Committee of Public Safety becomes the executive organ of the republic.
- 1800 - The Treaty of Constantinople establishes the Septinsular Republic, the first autonomous Greek state since the Fall of the Byzantine Empire.
- 1808 - John Jacob Astor incorporates the American Fur Company, that would eventually make him America's first millionaire.
- 1812 - British forces under the command of the Duke of Wellington assault the fortress of Badajoz. This would be the turning point in the Peninsular War against Napoleon-led France.
- 1814 - Nominal beginning of the Bourbon Restoration; anniversary date that Napoleon abdicates and is exiled to Elba.
- 1830 - Church of Christ, the original church of the Latter Day Saint movement, is organized by Joseph Smith and others at either Fayette or Manchester, New York.
- 1841 - U.S. President John Tyler is sworn in, two days after having become president upon William Henry Harrison's death.
- 1860 - The Reorganized Church of Jesus Christ of Latter Day Saints, later renamed Community of Christ, is organized by Joseph Smith III and others at Amboy, Illinois.
- 1862 - American Civil War: The Battle of Shiloh begins: In Tennessee, forces under Union General Ulysses S. Grant meet Confederate troops led by General Albert Sidney Johnston.
- 1865 - American Civil War: The Battle of Sailor's Creek: Confederate General Robert E. Lee's Army of Northern Virginia fights and loses its last major battle while in retreat from Richmond, Virginia, during the Appomattox Campaign.
- 1866 - The Grand Army of the Republic, an American patriotic organization composed of Union veterans of the American Civil War, is founded. It lasts until 1956.
- 1896 - In Athens, the opening of the first modern Olympic Games is celebrated, 1,500 years after the original games are banned by Roman emperor Theodosius I.
1901–present
- 1909 - Robert Peary and Matthew Henson become the first people to reach the North Pole; Peary's claim has been disputed because of failings in his navigational ability.
- 1911 - During the Battle of Deçiq, Dedë Gjon Luli Dedvukaj, leader of the Malësori Albanians, raises the Albanian flag in the town of Tuzi, Montenegro, for the first time after George Kastrioti.
- 1917 - World War I: The United States declares war on Germany.
- 1918 - Finnish Civil War: The battle of Tampere ends.
- 1926 - Varney Airlines makes its first commercial flight.
- 1929 - Huey P. Long, Governor of Louisiana, is impeached by the Louisiana House of Representatives.
- 1930 - At the end of the Salt March, Gandhi raises a lump of mud and salt and declares, "With this, I am shaking the foundations of the British Empire."
- 1936 - Tupelo–Gainesville tornado outbreak: Another tornado from the same storm system as the Tupelo tornado hits Gainesville, Georgia, killing 203.
- 1941 - World War II: Nazi Germany launches Operation 25 and Operation Marita.
- 1945 - World War II: Sarajevo is liberated from German and Croatian forces by the Yugoslav Partisans.
- 1945 - World War II: The Battle of Slater's Knoll on Bougainville comes to an end.
- 1947 - The first Tony Awards are presented for theatrical achievement.
- 1948 - The Finno-Soviet Treaty is signed in Moscow.
- 1957 - The flag carrier airline of Greece for decades, Olympic Airways, is founded by Aristotle Onassis following the acquisition of "TAE - Greek National Airlines".
- 1958 - Capital Airlines Flight 67 crashes in Tittabawassee Township, Michigan, near Freeland Tri-City Airport, killing 47.
- 1965 - Launch of Early Bird, the first commercial communications satellite to be placed in geosynchronous orbit.
- 1968 - In the downtown district of Richmond, Indiana, a double explosion kills 41 and injures 150.
- 1968 - Pierre Elliott Trudeau wins the Liberal Party leadership election, and becomes Prime Minister of Canada soon afterward.
- 1970 - Newhall massacre: Four California Highway Patrol officers are killed in a shootout.
- 1972 - Vietnam War: Easter Offensive: American forces begin sustained air strikes and naval bombardments.
- 1973 - Launch of Pioneer 11 spacecraft.
- 1973 - The American League of Major League Baseball begins using the designated hitter.
- 1974 - In Brighton, United Kingdom, ABBA wins the 1974 edition of the Eurovision Song Contest with "Waterloo", the first of a joint-record seven Swedish wins.
- 1974 - The first California Jam festival takes place at the Ontario Motor Speedway in Ontario, California. Co-headlined by Deep Purple and Emerson, Lake & Palmer. The festival set what were then records for the loudest amplification system ever installed, the highest paid attendance, and highest gross in history.
- 1984 - Members of Cameroon's Republican Guard unsuccessfully attempt to overthrow the government headed by Paul Biya.
- 1985 - Sudanese President Gaafar Nimeiry is ousted from power in a coup d'état led by Field Marshal Abdel Rahman Swar al-Dahab.
- 1992 - The Bosnian War begins.
- 1994 - The Rwandan genocide begins when the aircraft carrying Rwandan president Juvénal Habyarimana and Burundian president Cyprien Ntaryamira is shot down.
- 1997 - In Greene County, Tennessee, the Lillelid murders occur.
- 1998 - Nuclear weapons testing: Pakistan tests medium-range missiles capable of reaching India.
- 2004 - Rolandas Paksas becomes the first president of Lithuania to be peacefully removed from office by impeachment.
- 2005 - Kurdish leader Jalal Talabani becomes Iraqi president; Shiite Arab Ibrahim al-Jaafari is named premier the next day.
- 2008 - The 2008 Egyptian general strike starts led by Egyptian workers later to be adopted by April 6 Youth Movement and Egyptian activists.
- 2009 - A 6.3 magnitude earthquake strikes near L'Aquila, Italy, killing 307.
- 2010 - Maoist rebels kill 76 CRPF officers in Dantewada district, India.
- 2011 - In San Fernando, Tamaulipas, Mexico, over 193 victims of Los Zetas were exhumed from several mass graves.
- 2012 - Azawad declares itself independent from the Republic of Mali.
- 2017 - U.S. military launches 59 Tomahawk cruise missiles at an air base in Syria. Russia describes the strikes as an "aggression", adding they significantly damage US-Russia ties.
- 2018 - A bus carrying the Humboldt Broncos junior ice hockey team collides with a semi-truck in Saskatchewan, Canada, killing 16 people and injuring 13 others.
Births
Pre–1600
- 1135 - Maimonides, Jewish philosopher, Torah scholar, physician and astronomer
- 1342 - Infanta Maria, Marchioness of Tortosa
- 1573 - Margaret of Brunswick-Lüneburg, German noble
1601–1900
- 1632 - Maria Leopoldine of Austria
- 1651 - André Dacier, French scholar and academic
- 1660 - Johann Kuhnau, German organist and composer
- 1664 - Arvid Horn, Swedish general and politician, Governor of Västerbotten County
- 1671 - Jean-Baptiste Rousseau, French poet and playwright
- 1672 - André Cardinal Destouches, French composer
- 1706 - Louis de Cahusac, French playwright and composer
- 1708 - Johann Georg Reutter, Austrian organist and composer
- 1725 - Pasquale Paoli, French soldier and politician
- 1726 - Gerard Majella, Italian saint
- 1741 - Nicolas Chamfort, French author and playwright
- 1766 - Wilhelm von Kobell, German painter and educator
- 1773 - James Mill, Scottish historian, economist, and philosopher
- 1787 - Celestina Cordero, Puerto Rican educator
- 1810 - Philip Henry Gosse, English biologist and academic
- 1812 - Alexander Herzen, Russian philosopher and author
- 1815 - Robert Volkmann, German organist, composer, and conductor
- 1818 - Aasmund Olavsson Vinje, Norwegian journalist and poet
- 1820 - Nadar, French photographer, journalist, and author
- 1823 - Joseph Medill, Canadian-American publisher and politician, 26th Mayor of Chicago
- 1824 - George Waterhouse, English-New Zealand politician, 7th Prime Minister of New Zealand
- 1826 - Gustave Moreau, French painter and academic
- 1844 - William Lyne, Australian politician, 13th Premier of New South Wales
- 1851 - Guillaume Bigourdan, French astronomer and academic
- 1852 - Will Crooks, English trade unionist and politician
- 1855 - Charles Huot, Canadian painter and illustrator
- 1857 - Arthur Wesley Dow, American painter and photographer
- 1860 - René Lalique, French sculptor and jewellery designer
- 1861 - Stanislas de Guaita, French poet and author
- 1864 - William Bate Hardy, English biologist and academic
- 1866 - Felix-Raymond-Marie Rouleau, Canadian cardinal
- 1869 - Levon Shant, Armenian author, poet, and playwright
- 1878 - Erich Mühsam, German author, poet, and playwright
- 1881 - Karl Staaf, Swedish pole vaulter and hammer thrower
- 1884 - J. G. Parry-Thomas, Welsh race car driver and engineer
- 1886 - Athenagoras I of Constantinople
- 1886 - Walter Dandy, American physician and neurosurgeon
- 1886 - Osman Ali Khan, Asaf Jah VII, Indian ruler
- 1888 - Hans Richter, Swiss painter, illustrator, and director
- 1888 - Gerhard Ritter, German historian and academic
- 1890 - Anthony Fokker, Dutch engineer and businessman, founded Fokker Aircraft Manufacturer
- 1892 - Donald Wills Douglas, Sr., American businessman, founded the Douglas Aircraft Company
- 1892 - Lowell Thomas, American journalist and author
- 1895 - Dudley Nichols, American director, producer, and screenwriter
- 1898 - Jeanne Hébuterne, French painter and author
- 1900 - Leo Robin, American composer and songwriter