| Date | Answer | % Correct |
|---|---|---|
| June 1788 | USA | 100%
|
| Feb 1831 | Belgium | 75%
|
| Jan 1901 | Australia | 68%
|
| May 1814 | Norway | 68%
|
| June 1849 | Denmark | 65%
|
| March 1814 | Netherlands | 65%
|
| Oct 1600 | San Marino | 60%
|
| October 1868 | Luxembourg | 50%
|
| May 1853 | Argentina | 45%
|
| Nov 1875 | Tonga | 3%
|