1990-11-20: 16th Central American and Caribbean Games

1990-11-15: 11th Pan American Games

1990-11-14: 11th World Pelota Championship

1990-10-27: Latin American History (V) - Flags, Costumes & Stamps

1990-10-13: Nationalization of Railroads

1990-10-12: Discovery of America

1990-10-12: Cuban Television, 40th anniv

1990-08-27: 8th UN Congress in Crime Prevention

1990-08-24: International Philatelic Exhibition. New Zealand-90

1990-07-20: Paintings from the National Museum (1990)

1990-06-30: Sport turism

1990-06-25: 5th Latin American Botanical Conference

1990-06-18: Oceanography Institute, 25th Anniversary

1990-05-19: Ho Chi Minh (1890-1969)

1990-05-09: Celia Sanchez Manduley (1920-1980)

1990-05-06: Postage Stamp, 150th Anniversary

1990-05-03: International Stamp Exhibition Stamp World London '90

1990-05-03: International Stamp Exhibition Stamp World London '90

1990-04-30: Labour Day

1990-04-24: Stamp Day

1990-04-12: Cosmonautics Day 1990

1990-03-30: Winter Olympic Games 1992 - Albertville

1990-03-07: 75th Universal Esperanto Congress

1990-02-20: Summer Olympic Games 1992 - Barcelona

1990-01-30: FIFA World Cup 1990 - Italy

1990-01-15: Speleological Society, 50th anniv

1990-01-02: 25th Anniversary of Postal Museum