World leaders in 1827
Everyone who held a state’s top posts at some point in 1827, 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 1827 →
Major powers in 1827
United StatesUnited States history
- President
- John Quincy Adams
United KingdomUnited Kingdom history
- King
- George IV
- Prime minister
- Robert Jenkinson, then George Canning, then F. J. Robinson
Russian EmpireRussia history
- Emperor
- Nicholas I
Qing dynastyChina history
- Emperor
- Daoguang
Bourbon Restoration of FranceFrance history
- King
- Charles X
- Prime minister
- Jean-Baptiste de Villèle
Tokugawa shogunate of JapanJapan history
- Emperor
- Ninkō
Africa
BasutolandLesotho history
- King or Paramount Chief
- Moshoeshoe I
Beylik of TunisTunisia history
Ethiopian Empire
- Emperor
- Gigar
Khedivate of EgyptEgypt history
- Khedive
- Muhammad Ali
Kingdom of Eswatini (Swaziland)
- King
- Sobhuza I
Merina Kingdom
- King
- Radama I
Morocco: Alaouite dynasty
- Sultan
- Abd al-Rahman
Americas
Conservative Republic of ChileChile history
- President
- Ramón Freire
El SalvadorEl Salvador history
- Acting Head of State
- Mariano Prado
Empire of BrazilBrazil history
- Emperor
- Pedro I
Federal Republic of Central AmericaGuatemala history
- President
- Manuel José Arce
First Mexican RepublicMexico history
- President
- Guadalupe Victoria
Free State of Costa RicaCosta Rica history
- Head of State
- Juan Mora Fernández
Gran ColombiaColombia history
- President
- Simón Bolívar
Miskito CoastNicaragua history
Republic of BoliviaBolivia history
- President
- Antonio José de Sucre
Republic of Haiti (1820–1849)Haiti history
- President
- Jean-Pierre Boyer
Republic of PeruPeru history
- President
- Simón Bolívar
- President of the Government Council
- Andrés de Santa Cruz
United Provinces of the Río de la PlataArgentina history
- President
- Bernardino Rivadavia
- interim president
- Vicente López y Planes
- governor managing international relations
- Manuel Dorrego
United StatesUnited States history
- President
- John Quincy Adams
Asia
Aceh SultanateIndonesia history
Bruneian EmpireBrunei history
- Sultan
- Muhammad Alam
Emirate of Afghanistan: Barakzai dynastyAfghanistan history
Emirate of BukharaUzbekistan history
Emirate of NejdSaudi Arabia history
Johor SultanateIndonesia history
- Sultan
- Hussein Shah
Joseon
- King
- Sunjo
Kingdom of VientianeLaos history
- King
- Anouvong
Konbaung dynasty
- King
- Bagyidaw
Ottoman EmpireTurkey history
- Sultan
- Mahmud II
- Grand Vizier
- Mehmed Selim Pasha
Qing dynastyChina history
- Emperor
- Daoguang
Rattanakosin Kingdom of SiamThailand history
- King
- Rama III
Selangor SultanateMalaysia history
- Sultan
- Muhammad Shah
Sheikhdom of Abu DhabiUnited Arab Emirates history
Sheikhdom of AjmanUnited Arab Emirates history
Sheikhdom of KuwaitKuwait history
- Sheikh
- Jaber I
Sheikhdom of SharjahUnited Arab Emirates history
Sheikhdom of Umm Al QuwainUnited Arab Emirates history
Tokugawa shogunate of JapanJapan history
- Emperor
- Ninkō
Yemeni Zaidi StateYemen history
Yogyakarta SultanateIndonesia history
- Sultan
- Hamengkubuwono II
Europe
Andorra
- Episcopal Co-Prince
- Simó de Guardiola i Hortoneda
- French Co-Prince
- Charles X
Anhalt-Bernburg
Anhalt-Köthen
Bourbon Restoration of FranceFrance history
- King
- Charles X
- Prime minister
- Jean-Baptiste de Villèle
DenmarkDenmark history
- King
- Frederick VI
Electorate of Brandenburg, Kingdom of Prussia
Grand Duchy of FinlandFinland history
- Grand Prince
- Nicholas I
Kingdom of Bavaria
- King
- Ludwig I
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 Hanover
- King
- George IV
Kingdom of Lombardy–VenetiaItaly history
- King
- Francis I
Kingdom of PortugalPortugal history
- Queen
- Maria II
Kingdom of Sardinia, Duchy of SavoyItaly history
- King of Sardinia, Duke of Savoy
- Charles Felix
Kingdom of Saxony
- King
- Frederick Augustus the Just, then Anthony
Kingdom of Spain (1810–1873)Spain history
- King
- Ferdinand VII
Kingdom of the NetherlandsNetherlands history
- King
- William I
Liechtenstein
- Prince
- Johann I Josef
LuxembourgLuxembourg history
- Grand Duke
- William I
MoldaviaRomania history
- Prince
- Ioan Sturdza
Papal States
- Pope
- Leo XII
Principality of Waldeck and Pyrmont
- Prince
- George II
Principality of WallachiaRomania history
- Prince
- Grigore IV Ghica
Russian EmpireRussia history
- Emperor
- Nicholas I
Saxe-Meiningen
- Duke
- Bernhard II
Sweden–Norway
- First Minister
- Jonas Collett
United Kingdom of Great Britain and IrelandUnited Kingdom history
- King
- George IV
- Prime minister
- Robert Jenkinson, then George Canning, then F. J. Robinson
Oceania
Kingdom of Huahine
- Queen
- Teriitaria II