1370 – Hanzesteden signs peace treaty with Danish king Waldemar IV
1487 – Imposter Lambert Simnel ceremony crowned as King Edward VI in Dublin
1899 – 1st auto repair shop opens (Boston)
1922 – Record temperature in Netherlands for May (35.6°C)
1936 – Tony Lazerri 2 grand slams (11 RBIs); Ben Chapman sets record by reaching 1st 7 times safely, Yanks beat A’s 25-2
1968 – French President Charles De Gaulle proposes referendum and students set fire to Paris bourse
1979 – Billy Martin issues a public apology to Reno sportswriter Ray Hagar
1983 – Fred Sinowatz succeeds Bruno Kreisky as Chancellor of Austria
1989 – 33rd European Cup: Milan beats Steaua Bucuresti 4-0 at Barcelona
1992 – Indianapolis 500: Al Unser Jr. holds off Scott Goodyear to win by 0.043 seconds; closest finish in Indy history; first second-generation driver to win the race