1959: A group of Dominican exiles depart from Cuba and land in the Dominican Republic with the intent of overthrowing the totalitarian government of Rafael Trujillo. All but four are killed or executed.
1951: UNIVAC I is dedicated by the U.S. Census Bureau.
1949: Albert II, a rhesus monkey, rides a V-2 rocket to an altitude of 134 km (83 mi), thereby becoming the first monkey in space.
1945: World War II: Filipino troops of the 15th, 66th and 121st Infantry Regiment, Philippine Commonwealth Army, USAFIP-NL liberate the captured in Ilocos Sur and start the Battle of Bessang Pass in Northern Luzon.
1944: World War II: After several failed attempts, the British Army abandons Operation Perch, its plan to capture the German-occupied town of Caen.
1830: Beginning of the French colonization of Algeria: Thirty-four thousand French soldiers begin their invasion of Algiers, landing 27 kilometers west at Sidi Fredj.
1822: Charles Babbage proposes a difference engine in a paper to the Royal Astronomical Society entitled "Note on the application of machinery to the computation of astronomical and mathematical tables".
1821: Badi VII, king of Sennar, surrenders his throne and realm to Isma'il Pasha, general of the Ottoman Empire, ending the existence of that Sudanese kingdom.
1800: The French Army of First Consul Napoleon Bonaparte defeats the Austrians at the Battle of Marengo in Northern Italy and re-conquers Italy.
1789: Mutiny on the Bounty: HMS Bounty mutiny survivors including Captain William Bligh and 18 others reach Timor after a nearly 7,400 km (4,600 mi) journey in an open boat.
1285: Second Mongol invasion of Vietnam: Forces led by Prince Trần Quang Khải of the Trần dynasty destroy most of the invading Mongol naval fleet in a battle at Chuong Duong.
1276: While taking exile in Fuzhou in southern China, away from the advancing Mongol invaders, the remnants of the Song dynasty court hold the coronation ceremony for the young prince Zhao Shi, making him Emperor Duanzong.