1966-12-01: Hydrological Decade

1966-11-03: 20th Anniversary of UNESCO

1966-10-25: International Rice Year

1966-10-08: Inauguration of W.H.O. Headquarters, Geneva

1966-06-15: City Of Kandy

1966-03-22: Definitive Issue 1964-72

1966-02-05: Birds 1966