1878 – 6th Preakness: C Holloway aboard Duke of Magenta wins in 2:41.75
1917 – Race riot in East St Louis Illinois, 1 black killed
1935 – Supreme Court declares FDR’s National Recovery Act unconstitutional
1942 – Italian army begin siege of French western Fort Bir Hachim
1944 – Japanese advance in Hangkhou China
1967 – “Sherry!” closes at Alvin Theater NYC after 65 performances
1972 – “Applause” closes at Palace Theater NYC after 900 performances
1979 – Indianapolis 500: Polesitter Rick Mears takes lead for the final time with 18 laps to go, to win his first of four Indy 500 races
1980 – The Gwangju Massacre: South Korean airborne and army troops retake city of Gwangju from civil militias, killing at least 207 possibly many more
2020 – US Secretary of State Mike Pompeo says Hong Kong no longer has autonomy from China, doesn’t merit special trade relationship, in note to Congress