|
N° |
Date |
Subject |
|
01 |
18/01/1968 |
International Year for Human Rights |
|
02 |
10/09/1969 |
5th Anniversary of the African Development Bank |
|
03 |
17/05/1971 |
3rd World Telecommunications Day |
|
04 |
21/06/1971 |
The Space Conquest |
|
05 |
05/06/1972 |
UN Conference on the Environment in Stockholm |
|
06 |
08/12/1972 |
Postal Stamp Day |
|
07 |
24/12/1973 |
World Meteorological Organization Centennial |
|
08 |
24/12/1976 |
25th Anniversary of the UN Postal Administration |
