| Old Name | New Country | How Many Countries? |
| Czechoslovakia | |
| Yugoslavia | |
| Upper Volta | |
| Dahomey | |
| Port. Guinea | |
| Zaire | |
| Muscat and Oman | |
| Trucial Oman | |
| British Honduras | |
| U.S.S.R. (Union of Soviet Socialist Republics) | |
| Western Samoa | |
| Malagasy Republic | |
| | Old Name | New Country | How Many Countries? |
| Ceylon | |
| Formosa | |
| Nyasaland | |
| Northern Rhodesia and Rhodesia | |
| Gold Coast | |
| South-West Africa | |
| Tanganyika Zanzibar | |
| Siam | |
| Kampuchea | |
| Malaya | |
| French Somaliland | |
| East Pakistan | |
|