| Name | Issues/Designs | |||
| African Postal Union founding | 1962 | — | - ... 20th | |
| John James Audubon birth | 1785 | — | - bicentenary of ... syns. J. J. Audubon birth, John J. Audubon birth | |
| Garamba National Park start | 1943 | — | - 50th Anniversary of ... | |
| International Bureau of Education founding | 1930 | — | - ... 50th | |
| INTERPOL founding | 1923 | — | - ... 50th | |
| National Office of Transports founding | 1935 | — | - ... 50th | |
| new government founding | 1965 | — | - ... 10th | |
| Rotary founding | 1905 | — | - Rotary 75th syns. Rotary Club International founding, International Rotary Club founding | |
| Salvation Army founding | 1865 | — | - ... 100th | |
| Heinrich von Stephan birth | 1831 | — | - ... 150th | |
| UNICEF founding | 1946 | — | - ... 25th syns. United Nations International Children's Emergency Fund founding | |
| UN founding | 1945 | — | - UN 40th | |
| Universal Postal Union founding | 1874 | — | syns. UPU founding, U.P.U. founding | |
| Virunga park founding | 1925 | — | - ... 50th |