1806 state leaders - Events of 1807 - 1808 state leaders - State leaders by year
Africa
Asia
Europe
- Andorra -
- Austria - Francis I, Emperor of Austria (1792*-1835) *Note: Leader of Austria held the title of Archduke prior to 1804
- Bohemia - Francis, King of Bohemia (1792-1835)
- Confederation of the Rhine
- Denmark–Norway
- Etruria - Charles Louis, King of Etruria (1803-1807)
- France - Napoleon I, Emperor of the French (1804-1814)
- Holland - Louis I, King of Holland (1806-1810)
- Hungary - Francis, King of Hungary (1792-1835)
- Norway -
- Moldavia - In succession: Alexandru Moruzi, Alexandru Hangerli, Scarlat Callimachi (did not properly reign), Veniamin Costache (caimacam)
- Portugal - Maria I Francisca, Queen of Portugal (1777-1816)
- Prussia - Frederick William III, King of Prussia (1797-1840)
- Karl Friedrich von Beyme November (1806 - 1807)
- Count Karl August von Hardenberg (1807)
- Baron Heinrich Friedrich Karl vom Stein, Chief Minister of Prussia (1807-1808)
- Russia - Alexander I, Tsar of Russia (1801-1825)
- Spain - Charles IV, King of Spain (1788-1808)
- Sweden - Gustav IV Adolf, King of Sweden (1792-1809)
- United Kingdom
- Wallachia - Military Russian administration
- Warsaw - Frederick Augustus I, Duke of Warsaw (1807-1813)
Middle East and North Africa
North America and the Caribbean
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