Mean Temp 22°C 71.6°F at Taegu
May 15, 1950 (Monday)
- In what one historian describes as "arguably the most import and date in PRC diplomatic treaty" as well as "a terrible blunder", Mao Zedong approved Kim Il-sung's plan for North Korea to invade South Korea, starting the Korean War.
- General Józef Kuropieska, of the People's Army of Poland, was arrested on fabricated charges of spying for the West, starting a purge of officers by the Defense Minister, Marshal Konstantin Rokossovsky. The "Trial of the Generals" would take place in 1951, with 40 indicted officers being sentenced to death.
- Born: Renate Stecher, East German track athlete, gold medalist in 1972 and 1976, in Dreiheide