| Date | Answer | % Correct |
|---|---|---|
| 1 June 1785 | United Kingdom | 100%
|
| 4 May 1935 | Afghanistan | 86%
|
| 4 December 1922 | Albania | 86%
|
| 29 September 1962 | Algeria | 86%
|
| 21 February 1995 | Andorra | 86%
|
| 14 July 1994 | Angola | 86%
|
| 27 December 1823 | Argentina | 86%
|
| 25 December 1991 | Armenia | 86%
|
| 8 January 1940 | Australia | 86%
|
| 8 November 1921 | Austria | 86%
|
| 19 February 1992 | Azerbaijan | 86%
|
| 10 July 1973 | Bahamas | 86%
|
| 21 September 1971 | Bahrain | 86%
|
| 18 May 1972 | Bangladesh | 86%
|
| 30 November 1966 | Barbados | 86%
|
| 25 December 1991 | Belarus | 86%
|
| 18 June 1832 | Belgium | 86%
|
| 29 October 1981 | Belize | 86%
|
| 1 August 1960 | Benin | 86%
|
| 3 January 1849 | Bolivia | 86%
|
| 30 September 1966 | Botswana | 86%
|
| 26 May 1824 | Brazil | 86%
|
| 10 March 1984 | Brunei | 86%
|
| 19 September 1903 | Bulgaria | 86%
|
| 1 July 1962 | Burundi | 86%
|
| 19 July 1975 | Cabo Verde | 86%
|
| 11 July 1950 | Cambodia | 86%
|
| 1 January 1960 | Cameroon | 86%
|
| 18 February 1927 | Canada | 86%
|
| 13 August 1960 | Central African Republic | 86%
|
| 11 August 1960 | Chad | 86%
|
| 23 April 1824 | Chile | 86%
|
| 1 January 1979 | China | 86%
|
| 19 June 1822 | Colombia | 86%
|
| 15 August 1977 | Comoros | 86%
|
| 24 March 1851 | Costa Rica | 86%
|
| 7 August 1960 | Côte d'Ivoire | 86%
|
| 6 August 1992 | Croatia | 86%
|
| 27 May 1902 | Cuba | 86%
|
| 16 August 1960 | Cyprus | 86%
|
| 11 June 1919 | Czech Republic | 86%
|
| 30 June 1960 | Democratic Republic of the Congo | 86%
|
| 12 October 1801 | Denmark | 86%
|
| 27 June 1977 | Djibouti | 86%
|
| 18 July 1979 | Dominica | 86%
|
| 26 March 1884 | Dominican Republic | 86%
|
| 12 August 1848 | Ecuador | 86%
|
| 26 April 1922 | Egypt | 86%
|
| 15 June 1863 | El Salvador | 86%
|
| 21 November 1968 | Equatorial Guinea | 86%
|
| 11 June 1993 | Eritrea | 86%
|
| 4 September 1991 | Estonia | 86%
|
| 6 September 1968 | Eswatini | 86%
|
| 27 December 1903 | Ethiopia | 86%
|
| 22 July 1971 | Fiji | 86%
|
| 27 May 1919 | Finland | 86%
|
| 6 August 1778 | France | 86%
|
| 3 November 1986 | F.S. Micronesia | 86%
|
| 9 August 1965 | Gambia | 86%
|
| 24 March 1992 | Georgia | 86%
|
| 2 July 1951 | Germany | 86%
|
| 6 March 1957 | Ghana | 86%
|
| 16 June 1868 | Greece | 86%
|
| 29 November 1974 | Grenada | 86%
|
| 4 August 1824 | Guatemala | 86%
|
| 13 February 1959 | Guinea | 86%
|
| 3 September 1975 | Guinea-Bissau | 86%
|
| 26 May 1966 | Guyana | 86%
|
| 1 October 1862 | Haiti | 86%
|
| 19 April 1853 | Honduras | 86%
|
| 17 December 1921 | Hungary | 86%
|
| 1 November 1946 | India | 86%
|
| 28 December 1949 | Indonesia | 86%
|
| 11 June 1883 | Iran | 86%
|
| 30 March 1931 | Iraq | 86%
|
| 28 March 1949 | Israel | 86%
|
| 16 August 1962 | Jamaica | 86%
|
| 29 July 1858 | Japan | 86%
|
| 18 February 1949 | Jordan | 86%
|
| 25 December 1991 | Kazakhstan | 86%
|
| 18 February 2008 | Kosovo | 86%
|
| 22 September 1961 | Kuwait | 86%
|
| 25 December 1991 | Kyrgyzstan | 86%
|
| 29 July 1950 | Laos | 86%
|
| 5 September 1991 | Latvia | 86%
|
| 16 November 1944 | Lebanon | 86%
|
| 4 October 1966 | Lesotho | 86%
|
| 23 February 1864 | Liberia | 86%
|
| 24 December 1951 | Libya | 86%
|
| 10 February 1997 | Liechtenstein | 86%
|
| 6 September 1991 | Lithuania | 86%
|
| 17 July 1903 | Luxembourg | 86%
|
| 25 June 1960 | Madagascar | 86%
|
| 6 July 1964 | Malawi | 86%
|
| 31 August 1957 | Malaysia | 86%
|
| 20 June 1960 | Mali | 86%
|
| 21 September 1964 | Malta | 86%
|
| 26 July 1989 | Marshall Islands | 86%
|
| 28 November 1960 | Mauritania | 86%
|
| 12 December 1822 | Mexico | 86%
|
| 18 February 1992 | Moldova | 86%
|
| 8 December 2006 | Monaco | 86%
|
| 27 January 1987 | Mongolia | 86%
|
| 15 August 2006 | Montenegro | 86%
|
| 11 June 1956 | Morocco | 86%
|
| 23 September 1975 | Mozambique | 86%
|
| 21 March 1990 | Namibia | 86%
|
| 24 October 1976 | Nauru | 86%
|
| 16 February 1948 | Nepal | 86%
|
| 19 April 1782 | Netherlands | 86%
|
| 16 February 1942 | New Zealand | 86%
|
| 24 December 1849 | Nicaragua | 86%
|
| 3 August 1960 | Niger | 86%
|
| 1 October 1960 | Nigeria | 86%
|
| 13 September 1995 | North Macedonia | 86%
|
| 30 October 1905 | Norway | 86%
|
| 17 April 1972 | Oman | 86%
|
| 6 December 1996 | Palau | 86%
|
| 13 November 1903 | Panama | 86%
|
| 26 November 1861 | Paraguay | 86%
|
| 21 May 1827 | Peru | 86%
|
| 2 May 1919 | Poland | 86%
|
| 13 May 1791 | Portugal | 86%
|
| 19 March 1972 | Qatar | 86%
|
| 15 August 1960 | Republic of the Congo | 86%
|
| 11 June 1880 | Romania | 86%
|
| 14 July 1809 | Russia | 86%
|
| 1 July 1962 | Rwanda | 86%
|
| 20 September 1983 | Saint Kitts and Nevis | 86%
|
| 11 June 1979 | Saint Lucia | 86%
|
| 8 December 1981 | Saint Vincent and the Grenadines | 86%
|
| 14 July 1971 | Samoa | 86%
|
| 22 November 2006 | San Marino | 86%
|
| 10 October 1975 | São Tomé and Príncipe | 86%
|
| 24 September 1960 | Senegal | 86%
|
| 10 November 1882 | Serbia | 86%
|
| 1 July 1976 | Seychelles | 86%
|
| 27 April 1961 | Sierra Leone | 86%
|
| 4 April 1966 | Singapore | 86%
|
| 4 January 1993 | Slovakia | 86%
|
| 1 July 1960 | Somalia | 86%
|
| 5 November 1929 | South Africa | 86%
|
| 25 March 1949 | South Korea | 86%
|
| 9 July 2011 | South Sudan | 86%
|
| 20 February 1783 | Spain | 86%
|
| 29 October 1948 | Sri Lanka | 86%
|
| 15 February 1956 | Sudan | 86%
|
| 25 November 1975 | Suriname | 86%
|
| 29 April 1818 | Sweden | 86%
|
| 29 June 1853 | Switzerland | 86%
|
| 17 November 1944 | Syria | 86%
|
| 19 February 1992 | Tajikistan | 86%
|
| 9 December 1961 | Tanzania | 86%
|
| 23 October 1882 | Thailand | 86%
|
| 20 May 2002 | Timor-Leste | 86%
|
| 27 April 1960 | Togo | 86%
|
| 6 November 1972 | Tonga | 86%
|
| 6 June 1956 | Tunisia | 86%
|
| 17 February 1927 | Türkiye | 86%
|
| 19 February 1992 | Turkmenistan | 86%
|
| 10 May 1979 | Tuvalu | 86%
|
| 9 October 1962 | Uganda | 86%
|
| 25 December 1991 | Ukraine | 86%
|
| 20 March 1972 | United Arab Emirates | 86%
|
| 2 October 1867 | Uruguay | 86%
|
| 19 February 1992 | Uzbekistan | 86%
|
| 10 January 1984 | Vatican City | 86%
|
| 11 July 1995 | Vietnam | 86%
|
| 24 October 1964 | Zambia | 86%
|
| 18 April 1980 | Zimbabwe | 86%
|
| 1 November 1981 | Antigua and Barbuda | 71%
|
| 5 August 1960 | Burkina Faso | 71%
|
| 17 August 1960 | Gabon | 71%
|
| 30 September 1941 | Iceland | 71%
|
| 7 October 1924 | Ireland | 71%
|
| 11 April 1861 | Italy | 71%
|
| 2 March 1964 | Kenya | 71%
|
| 12 August 1980 | Kiribati | 71%
|
| 9 April 1966 | Maldives | 71%
|
| 15 August 1947 | Pakistan | 71%
|
| 16 September 1975 | Papua New Guinea | 71%
|
| 4 July 1946 | Philippines | 71%
|
| 4 February 1940 | Saudi Arabia | 71%
|
| 6 August 1992 | Slovenia | 71%
|
| 9 October 1978 | Solomon Islands | 71%
|
| 31 August 1962 | Trinidad and Tobago | 71%
|
| 30 June 1835 | Venezuela | 71%
|
| 4 March 1946 | Yemen | 71%
|
| 12 March 1968 | Mauritius | 57%
|
| 18 September 1947 | Myanmar | 57%
|
| 30 September 1986 | Vanuatu | 57%
|
| 25 September 2023 | Cook Islands | 14%
|
| 25 September 2023 | Niue | 14%
|
| 6 August 1992 | Bosnia and Hervegovina | 0%
|