| Former name | And today | % Correct |
|---|---|---|
| Persia | Iran | 97%
|
| Siam | Thailand | 88%
|
| Zaire | Democratic Republic of the Congo | 84%
|
| Southern Rhodesia | Zimbabwe | 81%
|
| Ceylon | Sri Lanka | 79%
|
| South-West Africa | Namibia | 76%
|
| Gaul | France | 72%
|
| Kampuchea | Cambodia | 68%
|
| Upper Volta | Burkina Faso | 51%
|
| Joseon / Choseon | Korea (North and South ) | 50%
|