- 1268 – Baibars and his Mamluk forces captured Antioch, capital of the crusader state, the Principality of Antioch.
- 1896 – "Separate but equal": The U.S. Supreme Court ruled in the landmark case Plessy v. Ferguson, upholding the legality of racial segregation in public transportation.
- 1944 – World War II: Polish forces under Lieutenant General Władysław Anders captured Monte Cassino
- 1958 – The F-104 Starfighter, a supersonic interceptor aircraft, set a world speed record of 1,404.19 mph (2,259.82 km/h).
- 1980 – Mount St. Helens erupted (pictured), killing 57 people in southern Washington State and causing over a billion U.S. dollars in damages.
