| 1099 | | At the Battle of Ascalon 1,000 Crusaders, led by Godfrey of Bouillon, route an Egyptian relief column heading for Jerusalem, which had already fallen to the Crusaders. |
| 1687 | | At the Battle of Mohacs, Hungary, Charles of Lorraine defeats the Turks. |
| 1762 | | The British capture Cuba from Spain after a two month siege. |
| 1791 | | Black slaves on the island of Santo Domingo rise up against their white masters. |
| 1812 | | British commander the Duke of Wellington occupies Madrid, Spain, forcing out Joseph Bonaparte. |
| 1863 | | Confederate raider William Quantrill leads a massacre of 150 men and boys in Lawrence, Kansas. |
| 1864 | | After a week of heavy raiding, the Confederate cruiser Tallahassee claims six Union ships captured. |
| 1896 | | Gold is discovered near Dawson City, Yukon Territory, Canada. After word reaches the United States in June of 1897, thousands of Americans head to the Klondike to seek their fortunes. |
| 1898 | | The Spanish American War officially ends after three months and 22 days of hostilities. |
| 1908 | | Henry Ford's first Model T rolls off the assembly line. |
| 1922 | | The home of Frederick Douglass in Washington, D.C. is dedicated as a memorial. |
| 1935 | | President Franklin Roosevelt signs the Social Security Bill. |
| 1941 | | French Marshal Henri Philippe Petain announces full French collaboration with Nazi Germany. |
| 1961 | | The erection of the Berlin Wall begins, preventing access between East and West Germany. |
| 1969 | | American installations at Quan-Loi, Vietnam, come under Viet Cong attack. |
| 1972 | | As U.S. troops leave Vietnam, B-52's make their largest strike of the war. |
| 1977 | | Steven Biko, leader of the black consciousness movement in South Africa, is arrested. |
| 1992 | | The North American Free Trade Agreement (NAFTA) is concluded between the United States, Canada and Mexico, creating the world's wealthiest trade bloc. |
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