| Answer | % Correct |
|---|---|
| Soviet Union | 99%
|
| Yugoslavia | 92%
|
| Empire of Brazil | 90%
|
| Czechoslovakia | 89%
|
| Mongol Empire | 83%
|
| Austrian Empire | 80%
|
| Siam | 75%
|
| Gran Colombia | 74%
|
| Dominion of Newfoundland | 66%
|
| Holy Roman Empire | 57%
|
| Kingdom of the Two Sicilies | 57%
|
| Swedish Empire | 54%
|
| Qin Dynasty | 44%
|
| North Vietnam | 38%
|
| Umayyad Caliphate | 35%
|
| Inca Empire | 34%
|
| Teutonic Order | 24%
|
| United Arab Republic | 23%
|
| Neo-Assyrian Empire | 16%
|
| Tu'i Tongan Empire | 11%
|
| Fatimid Caliphate | 10%
|
| Goryeo | 10%
|
| Hejaz | 3%
|