World leaders in 1812
Everyone who held a state’s top posts at some point in 1812, in the order they held them. Names are from Wikipedia’s list of state leaders and appear only where the person’s Wikidata record agrees on the post and the years. What happened in 1812 →
Major powers in 1812
United StatesUnited States history
- President
- James Madison
United KingdomUnited Kingdom history
- King
- George III
- Prime minister
- Spencer Perceval, then Robert Jenkinson
Russian EmpireRussia history
- Emperor
- Alexander I
Qing dynastyChina history
- Emperor
- Jiaqing
First French EmpireFrance history
- Emperor
- Napoleon I
Tokugawa shogunate of JapanJapan history
- Emperor
- Kōkaku
Africa
Beylik of TunisTunisia history
Ethiopian Empire
- Emperor
- Egwale Seyon
Hamaj Regency of the Funj SultanateSudan history
- Sultan
- Badi VII
Khedivate of EgyptEgypt history
- Khedive
- Muhammad Ali
Kingdom of AshantiGhana history
- Asantehene
- Osei Bonsu
Kingdom of Eswatini (Swaziland)
- King
- Ndvungunye
Merina Kingdom
- King
- Radama I
Morocco: Alaouite dynasty
- Sultan
- Slimane
Americas
Kingdom of ChileChile history
- President
- José Miguel Carrera
Miskito CoastNicaragua history
Republic of Haiti (1806–1820)Haiti history
- President
- Alexandre Pétion
United Provinces of the Río de la PlataArgentina history
- First Triumvirate
- Feliciano Chiclana
United StatesUnited States history
- President
- James Madison
Asia
Aceh SultanateIndonesia history
Emirate of DiriyahSaudi Arabia history
- Imam
- Saud al-Kabeer
Johor SultanateIndonesia history
Joseon
- King
- Sunjo
Kedah SultanateMalaysia history
Kingdom of VientianeLaos history
- King
- Anouvong
Konbaung dynasty
- King
- Bodawpaya
Ottoman EmpireTurkey history
- Sultan
- Mahmud II
- Grand Vizier
- Laz Aziz Ahmed Pasha, then Hurshid Pasha
Qing dynastyChina history
- Emperor
- Jiaqing
Rattanakosin Kingdom of SiamThailand history
- King
- Rama II
Selangor SultanateMalaysia history
- Sultan
- Ibrahim Shah
Sheikhdom of Abu DhabiUnited Arab Emirates history
Sheikhdom of KuwaitKuwait history
- Sheikh
- Abdullah I
Sheikhdom of SharjahUnited Arab Emirates history
Sheikhdom of Umm Al QuwainUnited Arab Emirates history
Tokugawa shogunate of JapanJapan history
- Emperor
- Kōkaku
Yemeni Zaidi StateYemen history
Yogyakarta SultanateIndonesia history
- Sultan
- Hamengkubuwono II, then Hamengkubuwono III
Europe
Andorra
- Episcopal Co-Prince
- Francesc Antoni de la Dueña y Cisneros
- French Co-Prince
- Napoleon I
Anhalt-Bernburg
Anhalt-Dessau
- Duke; Regent of Anhalt-Köthen
- Leopold III
Anhalt-Köthen
Denmark–NorwayDenmark history
- King of Denmark; King of Norway
- Frederick VI
Duchy of WarsawPoland history
Electorate of Brandenburg, Kingdom of Prussia
First French EmpireFrance history
- Emperor
- Napoleon I
Gustavian era SwedenSweden history
- King of Sweden
- Charles XIII
Kingdom of Bavaria
- King
- Maximillian IV
Kingdom of Bohemia
- King
- Francis II
Kingdom of Croatia (Habsburg)Croatia history
- King
- Francis
- Ban
- Ignác Gyulay
Kingdom of Galicia and LodomeriaUkraine history
- King
- Francis II
Kingdom of Italy (Napoleonic)Italy history
- King
- Napoleon
Kingdom of PortugalPortugal history
- Queen
- Maria I
Kingdom of Sardinia, Duchy of SavoyItaly history
- King of Sardinia
- Victor Emmanuel I
Kingdom of Saxony
Liechtenstein
- Prince
- Johann I Josef
MoldaviaRomania history
- Prince
- Scarlat Callimachi
Napoleonic SpainSpain history
- King
- Joseph Bonaparte
- Prime minister
- Mariano Luis de Urquijo
Papal States
- Pope
- Pius VII
Principality of Waldeck and Pyrmont
- Prince
- Friedrich Karl August, then George I
Principality of WallachiaRomania history
- Prince
- Ioan Gheorghe Caragea
Russian EmpireRussia history
- Emperor
- Alexander I
Saxe-Gotha-Altenburg
- Duke
- Augustus
Saxe-Meiningen
- Duke
- Bernhard II
United Kingdom of Great Britain and IrelandUnited Kingdom history
- King
- George III
- Prime minister
- Spencer Perceval, then Robert Jenkinson