June 10 is the 161st day of the year (162nd in leap years) in the Gregorian calendar; 204 days remain until the end of the year.
1190 – Third Crusade: Frederick I Barbarossa drowns in the river Saleph while leading an army to Jerusalem.
1523 – Copenhagen is surrounded by the army of Frederick I of Denmark, as the city will not recognize him as the successor of Christian II of Denmark.
1692 – Salem witch trials: Bridget Bishop is hanged at Gallows Hill near Salem, Massachusetts, for 'certaine Detestable Arts called Witchcraft and Sorceries'.
1719 – Jacobite risings: Battle of Glen Shiel.
1786 – A landslide dam on the Dadu River created by an earthquake ten days earlier collapses, killing 100,000 in the Sichuan province of China.
1793 – The Jardin des Plantes museum opens in Paris. A year later, it becomes the first public zoo.
1793 – French Revolution: Following the arrests of Girondin leaders, the Jacobins gain control of the Committee of Public Safety installing the revolutionary dictatorship. 1805 – First Barbary War: Yusuf Karamanli signs a treaty ending the hostilities between Tripolitania and the United States.
1829 – The first Boat Race between the University of Oxford and the University of Cambridge takes place on the Thames in London.
1854 – The United States Naval Academy graduates its first class of students.
1861 – American Civil War: Battle of Big Bethel: Confederate troops under John B. Magruder defeat a much larger Union force led by General Ebenezer W. Pierce in Virginia.
1863 – During the French intervention in Mexico, Mexico City is captured by French troops.
1864 – American Civil War: Battle of Brice's Crossroads: Confederate troops under Nathan Bedford Forrest defeat a much larger Union force led by General Samuel D. Sturgis in Mississippi.
1916 – The Arab Revolt against the Ottoman Empire was declared by Hussein bin Ali, Sharif of Mecca.
1918 – The Austro-Hungarian battleship SMS Szent István sinks off the Croatian coast after being torpedoed by an Italian MAS motorboat; the event is recorded by camera from a nearby vessel.
1924 – Fascists kidnap and kill Italian Socialist leader Giacomo Matteotti in Rome.
1935 – Dr. Robert Smith takes his last drink, and Alcoholics Anonymous is founded in Akron, Ohio, United States, by him and Bill Wilson.
1940 – World War II: Fascist Italy declares war on France and the United Kingdom, beginning an invasion of southern France.