January 1, 1990
1990–91 European Cup Winners' Cup — 1990–1991 edition of the European Cup Winners' Cup
1990 FIBA World Championship — 1990 edition of the FIBA World Championship
1990 FIFA World Cup — 14th FIFA World Cup, held in Italy
Eurovision Song Contest 1990 — 35th edition of the Eurovision Song Contest
1990 Formula One World Championship — sports season
1990s — decade of the Gregorian calendar (1990–1999)
1990 Asian Games — 11th edition of the Asian Games
1990 African Cup of Nations — football tournament
1990–91 UEFA Cup — 20th season of Europe's secondary club football tournament organised by UEFA
1990 World Women's Handball Championship — 1990 edition of the World Women's Handball Championship