| Original Name | Modern Name | % Correct |
|---|---|---|
| Constantinople | Istanbul | 97%
|
| USSR | Russia | 96%
|
| Prussia | Germany | 95%
|
| Persia | Iran | 94%
|
| Siam | Thailand | 94%
|
| Leningrad | St Petersburg | 90%
|
| New Amsterdam | New York | 89%
|
| Peking | Beijing | 88%
|
| Bengal | Bangladesh | 86%
|
| Bombay | Mumbai | 85%
|
| Ceylon | Sri Lanka | 84%
|
| Mesopotamia | Iraq | 83%
|
| Dutch East Indies | Indonesia | 82%
|
| Zaire | Dem. Republic of Congo | 80%
|
| Saigon | Ho Chi Minh City | 80%
|
| Rhodesia | Zimbabwe | 78%
|
| Abyssinia | Ethiopia | 77%
|
| Bohemia | Czech Republic | 72%
|
| Zanzibar | Tanzania | 71%
|
| Calcutta | Kolkata | 70%
|
| Kampuchea | Cambodia | 63%
|
| Formosa | Taiwan | 63%
|
| New Holland | Australia | 49%
|
| Canton | Guangzhou | 49%
|