September 10 is the 253rd day of the year (254th in leap years) in the Gregorian calendar. There are 112 days remaining until the end of the year.
506 – The bishops of Visigothic Gaul meet in the Council of Agde.
1419 – John the Fearless, Duke of Burgundy is assassinated by adherents of the Dauphin, the future Charles VII of France.
An earthquake known as "The Lesser Judgment Day" hits Constantinople.
1515 – Thomas Wolsey is invested as a Cardinal.
1547 – The Battle of Pinkie Cleugh, the last full-scale military confrontation between England and Scotland, resulting in a decisive victory for the forces of Edward VI.
1561 – Fourth Battle of Kawanakajima: Takeda Shingen defeats Uesugi Kenshin in the climax of their ongoing conflicts.
1570 – Spanish Jesuit missionaries land in present-day Virginia to establish the short-lived Ajacán Mission.
1608 – John Smith is elected council president of Jamestown, Virginia.
1776 – American Revolutionary War: Nathan Hale volunteers to spy for the Continental Army.
1798 – At the Battle of St. George's Caye, British Honduras defeats Spain.
1813 – The United States defeats the British Fleet at the Battle of Lake Erie during the War of 1812.
1823 – Simón Bolívar is named President of Peru.
1846 – Elias Howe is granted a patent for the sewing machine.
1858 – George Mary Searle discovers the asteroid 55 Pandora.
1897 – Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
1898 – Empress Elisabeth of Austria is assassinated by Luigi Lucheni.
1918 – Russian Civil War: The Red Army captures Kazan.
1919 – Austria and the Allies sign the Treaty of Saint-Germain-en-Laye recognizing the independence of Poland, Hungary, Czechoslovakia and Yugoslavia.
1932 – The New York City Subway's third competing subway system, the municipally-owned IND, is opened.
1936 – First World Individual Motorcycle Speedway Championship, Held at London's (England) Wembley Stadium
1937 – Nine nations attend the Nyon Conference to address international piracy in the Mediterranean Sea.
1939 – World War II: The submarine HMS Oxley is mistakenly sunk by the submarine HMS Triton near Norway and becomes the Royal Navy's first loss of a submarine in the war.
1939 – World War II: Canada declares war on Germany, joining the Allies: Poland, France, the United Kingdom, New Zealand and Australia.
1942 – World War II: The British Army carries out an amphibious landing on Madagascar to re-launch Allied offensive operations in the Madagascar Campaign.
1943 – World War II: In the course of Operation Achse, German troops begin their occupation of Rome.
1960 – At the Summer Olympics in Rome, Abebe Bikila becomes the first sub-Saharan African to win a gold medal, winning the marathon in bare feet.
1961 – In the Italian Grand Prix, a crash causes the death of German Formula One driver Wolfgang von Trips and 13 spectators who are hit by his Ferrari.
1967 – The people of Gibraltar vote to remain a British dependency rather than becoming part of Spain.
1974 – Guinea-Bissau gains independence from Portugal.
1976 – A British Airways Hawker Siddeley Trident and an Inex-Adria DC-9 collide near Zagreb, Yugoslavia, killing 176.
1977 – Hamida Djandoubi, convicted of torture and murder, is the last person to be executed by guillotine in France.
2000 – Operation Barras successfully frees six British soldiers held captive for over two weeks and contributes to the end of the Sierra Leone Civil War.
2001 – Antônio da Costa Santos, mayor of Campinas, Brazil is assassinated.
2001 – Charles Ingram cheats his way to £1 million on the UK game show Who Wants to Be a Millionaire?
2002 – Switzerland, traditionally a neutral country, becomes a full member of the United Nations.
2007 – Former Prime Minister of Pakistan Nawaz Sharif returns to Pakistan after seven years in exile, following a military coup in October 1999.
2008 – The Large Hadron Collider at CERN, described as the biggest scientific experiment in history, is powered up in Geneva, Switzerland.
2017 – Hurricane Irma makes landfall on Cudjoe Key, Florida as a Category 4, after causing catastrophic damage throughout the Caribbean. Irma resulted in 134 deaths and $64.76 billion (2017 USD) in damage.
