| Since | Country | % Correct |
|---|---|---|
| 1066 | United Kingdom | 97%
|
| 1781 | United States | 95%
|
| 1480 | Russia | 83%
|
| 1822 | Brazil | 82%
|
| 1814 | Spain | 82%
|
| 1808 | Portugal | 77%
|
| 1816 | Argentina | 76%
|
| 1523 | Sweden | 74%
|
| 1818 | Chile | 71%
|
| 1819 | Colombia | 70%
|
| 1839 | Peru | 68%
|
| 1815 | Switzerland | 67%
|
| 1830 | Venezuela | 66%
|
| 1828 | Uruguay | 65%
|
| 1825 | Bolivia | 64%
|
| 1830 | Ecuador | 60%
|
| 1243 | Turkey | 57%
|
| 1813 | Andorra | 42%
|
| 1243 | San Marino | 41%
|
| 1838 | Costa Rica | 40%
|
| 1838 | Guatemala | 40%
|
| 1815 | Liechtenstein | 40%
|
| 1768 | Nepal | 28%
|
| 1847 | Liberia | 27%
|
| 1634 | Bhutan | 25%
|
| 1743 | Oman | 18%
|