1966-12-18: Stamp Day

1966-12-08: Art

1966-11-28: Game animals

1966-10-24: Czechoslovak cities

1966-09-26: Space Research 1966

1966-09-10: Stamp exhibition BRNO 1966

1966-08-31: Army of Warsaw Pact Training

1966-08-29: 8th International Engineering Fair, Brno

1966-08-29: Jáchymov - Birthplace of Nuclear Age

1966-08-29: Czechoslovak Olympic Commitee, 70th Anniversary

1966-07-25: Places of cultural monuments

1966-07-05: International Brigades in Spain, 30th Anniversary

1966-07-04: 100th Anniversary of the Czechoslovak Chemical Society

1966-06-20: Indians of North America

1966-05-31: Czechoslovak Communist Party, 13th Congress

1966-05-23: Butterflies (1966)

1966-05-09: Art treasures of Prague Castle

1966-04-25: 20th Anniversary of UNESCO

1966-04-25: Inauguration of W.H.O. Headquarters, Geneva

1966-04-25: World Championships in fishing technology

1966-03-21: Opera "The Bartered Bride" Centary

1966-03-21: Locomotives

1966-02-14: Cultural Personalities 1966

1966-01-17: European Figure Skating Championships, Bratislava

1966-01-17: World Volleyball Championships

1966-01-15: Czech Philharmonic Orchestra, 70th Anniversary

1966-01: Castles