| Date | Country | % Correct |
|---|---|---|
| 26 December 1826 | Mexico | 100%
|
| 1 July 1926 | Canada | 83%
|
| 1396 | France | 83%
|
| April 1509 | Spain | 83%
|
| 1 June 1785 | United States | 83%
|
| 1 December 1830 | Belgium | 67%
|
| 1825 | Brazil | 67%
|
| 17 June 1954 | China | 67%
|
| 20 June 1951 | Germany | 67%
|
| 14 August 1947 | India | 67%
|
| 6 December 1922 | Ireland | 67%
|
| 8 June 1891 | Luxembourg | 67%
|
| 10 August 1585 | Netherlands | 67%
|
| 6 October 1960 | Niger | 67%
|
| 1 October 1960 | Nigeria | 67%
|
| 9 May 1386 | Portugal | 67%
|
| 24 August 1553 | Russia | 67%
|
| 22 November 1921 | Afghanistan | 50%
|
| 9 November 1921 | Albania | 50%
|
| 1962 | Algeria | 50%
|
| 2 February 1825 | Argentina | 50%
|
| 22 January 1910 | Australia | 50%
|
| 8 November 1919 | Austria | 50%
|
| 29 September 1840 | Bolivia | 50%
|
| 14 September 1823 | Chile | 50%
|
| 7 July 1960 | Democratic Republicof the Congo | 50%
|
| 1401 | Denmark | 50%
|
| 6 March 1850 | Dominican Republic | 50%
|
| 19 December 1914 | Egypt | 50%
|
| 28 March 1918 | Finland | 50%
|
| 21 November 1828 | Greece | 50%
|
| 12 June 1837 | Guatemala | 50%
|
| 1826 | Haiti | 50%
|
| 8 May 1940 | Iceland | 50%
|
| 19 December 1949 | Indonesia | 50%
|
| 13 April 1859 | Italy | 50%
|
| 26 August 1858 | Japan | 50%
|
| 1963 | Kenya | 50%
|
| 24 December 1951 | Libya | 50%
|
| 28 June 1956 | Morocco | 50%
|
| March 1939 | New Zealand | 50%
|
| 14 August 1947 | Pakistan | 50%
|
| 9 April 1908 | Panama | 50%
|
| 4 March 1853 | Paraguay | 50%
|
| 9 December 1960 | Republic of the Congo | 50%
|
| 23 December 1653 | Sweden | 50%
|
| 1891 | Switzerland | 50%
|
| 2 September 1924 | Türkiye | 50%
|
| 10 January 1992 | Ukraine | 50%
|
| 21 February 1833 | Uruguay | 50%
|
| 9 March 1994 | Andorra | 33%
|
| 14 October 1977 | Angola | 33%
|
| 1 November 1981 | Antigua and Barbuda | 33%
|
| 20 January 1992 | Armenia | 33%
|
| 11 March 1992 | Azerbaijan | 33%
|
| 10 July 1973 | Bahamas | 33%
|
| 21 August 1971 | Bahrain | 33%
|
| 30 November 1966 | Barbados | 33%
|
| 27 January 1992 | Belarus | 33%
|
| 21 September 1981 | Belize | 33%
|
| 6 October 1960 | Benin | 33%
|
| 13 April 1992 | Bosnia and Herzegovina | 33%
|
| 30 September 1966 | Botswana | 33%
|
| 1 January 1984 | Brunei | 33%
|
| 23 July 1879 | Bulgaria | 33%
|
| 6 October 1960 | Burkina Faso | 33%
|
| 1 July 1962 | Burundi | 33%
|
| 17 May 1977 | Cabo Verde | 33%
|
| 5 May 1952 | Cambodia | 33%
|
| 1 February 1960 | Cameroon | 33%
|
| 9 December 1960 | Central African Republic | 33%
|
| 9 December 1960 | Chad | 33%
|
| 18 April 1825 | Colombia | 33%
|
| 3 October 1977 | Comoros | 33%
|
| 28 February 1848 | Costa Rica | 33%
|
| 12 October 1960 | Côte d'Ivoire | 33%
|
| 24 June 1992 | Croatia | 33%
|
| 20 May 1902 | Cuba | 33%
|
| 1 October 1960 | Cyprus | 33%
|
| 26 October 1918 | Czech Republic | 33%
|
| 25 January 1978 | Djibouti | 33%
|
| 13 December 1978 | Dominica | 33%
|
| 29 January 1853 | Ecuador | 33%
|
| 1883 | El Salvador | 33%
|
| 20 June 1969 | Equatorial Guinea | 33%
|
| 16 November 1993 | Eritrea | 33%
|
| 5 September 1991 | Estonia | 33%
|
| 6 September 1968 | Eswatini | 33%
|
| 14 May 1897 | Ethiopia | 33%
|
| 31 August 1992 | Federated States of Micronesia | 33%
|
| 10 October 1970 | Fiji | 33%
|
| 9 December 1960 | Gabon | 33%
|
| 1 January 1965 | Gambia | 33%
|
| 27 April 1992 | Georgia | 33%
|
| 6 March 1957 | Ghana | 33%
|
| 7 February 1974 | Grenada | 33%
|
| 28 May 1959 | Guinea | 33%
|
| 12 March 1975 | Guinea-Bissau | 33%
|
| 26 May 1966 | Guyana | 33%
|
| 16 June 1849 | Honduras | 33%
|
| 22 May 1921 | Hungary | 33%
|
| 5 June 1807 | Iran | 33%
|
| 4 October 1932 | Iraq | 33%
|
| 28 April 1950 | Israel | 33%
|
| 2 August 1962 | Jamaica | 33%
|
| 17 June 1946 | Jordan | 33%
|
| 19 January 1992 | Kazakhstan | 33%
|
| 12 July 1979 | Kiribati | 33%
|
| 18 February 2008 | Kosovo | 33%
|
| 22 September 1961 | Kuwait | 33%
|
| 12 June 1992 | Kyrgyzstan | 33%
|
| 5 September 1955 | Laos | 33%
|
| 5 September 1991 | Latvia | 33%
|
| 9 February 1942 | Lebanon | 33%
|
| 4 October 1966 | Lesotho | 33%
|
| 1 August 1849 | Liberia | 33%
|
| 6 February 1992 | Liechtenstein | 33%
|
| 4 September 1991 | Lithuania | 33%
|
| 27 June 1960 | Madagascar | 33%
|
| 6 July 1964 | Malawi | 33%
|
| 31 August 1957 | Malaysia | 33%
|
| 26 July 1965 | Maldives | 33%
|
| 22 March 1961 | Mali | 33%
|
| 21 September 1964 | Malta | 33%
|
| 2 February 1992 | Marshall Islands | 33%
|
| 28 November 1960 | Mauritania | 33%
|
| 12 March 1968 | Mauritius | 33%
|
| 17 January 1992 | Moldova | 33%
|
| 21 September 2007 | Monaco | 33%
|
| 23 January 1963 | Mongolia | 33%
|
| 13 June 2006 | Montenegro | 33%
|
| 27 August 1975 | Mozambique | 33%
|
| 7 July 1947 | Myanmar | 33%
|
| 21 March 1990 | Namibia | 33%
|
| 1 December 1977 | Nauru | 33%
|
| 4 March 1816 | Nepal | 33%
|
| 18 January 1859 | Nicaragua | 33%
|
| 12 December 2000 | North Korea | 33%
|
| 16 December 1993 | North Macedonia | 33%
|
| 6 November 1905 | Norway | 33%
|
| 21 May 1971 | Oman | 33%
|
| 16 August 1996 | Palau | 33%
|
| 5 January 2026 | Palestine | 33%
|
| 16 September 1975 | Papua New Guinea | 33%
|
| 10 October 1823 | Peru | 33%
|
| 4 July 1946 | Philippines | 33%
|
| 15 July 1919 | Poland | 33%
|
| 24 May 1972 | Qatar | 33%
|
| 20 February 1880 | Romania | 33%
|
| 1 July 1962 | Rwanda | 33%
|
| 19 September 1983 | Saint Kitts and Nevis | 33%
|
| 1979 | Saint Lucia | 33%
|
| 27 October 1979 | Saint Vincent and theGrenadines | 33%
|
| September 1970 | Samoa | 33%
|
| 18 November 1998 | San Marino | 33%
|
| 3 December 1979 | São Tomé and Príncipe | 33%
|
| 20 May 1927 | Saudi Arabia | 33%
|
| 20 August 1960 | Senegal | 33%
|
| 7 February 1870 | Serbia | 33%
|
| 29 June 1976 | Seychelles | 33%
|
| April 1961 | Sierra Leone | 33%
|
| 9 August 1965 | Singapore | 33%
|
| 1 January 1993 | Slovakia | 33%
|
| 15 January 1992 | Slovenia | 33%
|
| 7 July 1978 | Solomon Islands | 33%
|
| 10 March 1931 | South Africa | 33%
|
| 18 January 1949 | South Korea | 33%
|
| 9 July 2011 | South Sudan | 33%
|
| 22 October 1946 | Sri Lanka | 33%
|
| 3 March 1956 | Sudan | 33%
|
| 31 March 1976 | Suriname | 33%
|
| 9 February 1942 | Syria | 33%
|
| 15 January 1992 | Tajikistan | 33%
|
| 9 December 1961 | Tanzania | 33%
|
| 18 April 1855 | Thailand | 33%
|
| 2002 | Timor-Leste | 33%
|
| 27 April 1960 | Togo | 33%
|
| 4 June 1970 | Tonga | 33%
|
| 19 June 1956 | Tunisia | 33%
|
| 23 January 1992 | Turkmenistan | 33%
|
| 9 October 1962 | Uganda | 33%
|
| 6 December 1971 | United Arab Emirates | 33%
|
| 18 February 1992 | Uzbekistan | 33%
|
| 30 July 1980 | Vanuatu | 33%
|
| 16 January 1982 | Vatican City | 33%
|
| 15 August 1835 | Venezuela | 33%
|
| 11 September 1973 | Vietnam | 33%
|
| 20 January 1951 | Yemen | 33%
|
| 17 October 1964 | Zambia | 33%
|
| 18 April 1980 | Zimbabwe | 33%
|
| 4 February 1972 | Bangladesh | 17%
|
| 7 July 1960 | Somalia | 17%
|
| 31 August 1962 | Trinidad and Tobago | 17%
|
| 1 October 1978 | Tuvalu | 17%
|