| Countries | Time | % Correct |
|---|---|---|
| Germany | 1871 - 1945 | 100%
|
| Brandenburg-Prussia | 1618 - 1701 | 98%
|
| Kingdom of Prussia | 1701 - 1867 | 98%
|
| Allied Occupied Germany | 1945 - 1949 | 97%
|
| East Germany | 97%
| |
| West Germany | 1949 - 1990 | 95%
|
| Margravate of Brandenburg | 1237 - 1618 | 47%
|
| North German Confederation | 1867 - 1871 | 41%
|