21 significant historical events occurred on May 15. On May 15, several important historical events have occurred in politics, sports, and international relations. In 1934, Latvian Prime Minister Kārlis Ulmanis led a coup d'état. In 1955, the Austrian State Treaty was signed, establishing Austria's international status. Tragically, in 1974, the Ma'alot massacre took place in Israel, involving Palestinian militants. The date has also seen significant sporting events like the 1974 European Cup Final and the 1988 Monaco Grand Prix.
20 famous birthdays on May 15
Including Paul A. Samuelson, Ilya Mechnikov, Frank Wilczek
Event Distribution by Century
Darker = Higher Density15th Century
3 events18th Century
1 event19th Century
1 eventCivil War battle wherein five Union Navy warships steamed up the James River to test the defenses of Richmond, Virginia, the Confederate capital
20th Century
9 events21st Century
7 eventsExplore More for May 15
Discover births, deaths, and deeper historical trends for this date.