Historical Events on May 15

1934 Latvian coup d'état — self-coup by Prime Minister Kārlis Ulmanis

Austrian State Treaty — multilateral 1955 treaty regarding the international status of Austria

1974 European Cup Final — association football match

Ma'alot massacre — 1974 operation by Palestinian militants in Israel

1988 Monaco Grand Prix — Formula One motor race held in 1988

1994 Monaco Grand Prix — Formula One motor race held in 1994

2002 UEFA Champions League Final — association football match

Google I/O — computer software and hardware developer conference hosted by Google

2013 UEFA Europa League Final — football match