World leaders in 1848

Everyone who held a state’s top posts at some point in 1848, 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 1848 →

Major powers in 1848

United StatesUnited States history

President
James K. Polk

United KingdomUnited Kingdom history

Prime minister
John Russell

Russian EmpireRussia history

Emperor
Nicholas I

Qing dynastyChina history

Emperor
Daoguang

July Monarchy of FranceFrance history

French Second RepublicFrance history

President of the provisional government
Jacques-Charles Dupont de l'Eure
Chief of the Executive Power
Louis-Eugène Cavaignac

Tokugawa shogunate of JapanJapan history

Emperor
Kōmei

Africa

BasutolandLesotho history

King or Paramount Chief
Moshoeshoe I

Beylik of TunisTunisia history

Ethiopian Empire

Khedivate of EgyptEgypt history

Kingdom of Eswatini (Swaziland)

Kingdom of Rwanda

LiberiaLiberia history

Merina Kingdom

Prime minister
Rainiharo

Morocco: Alaouite dynasty

Oyo EmpireNigeria history

Republic of MarylandLiberia history

Americas

Argentine ConfederationArgentina history

Governor of Buenos Aires Province
Juan Manuel de Rosas

Conservative Republic of ChileChile history

President
Manuel Bulnes

El SalvadorEl Salvador history

Acting President
Tomás Medina, then José Félix Quirós

Empire of BrazilBrazil history

Emperor
Pedro II

HondurasHonduras history

President
Juan Lindo

Los AltosGuatemala history

Miskito CoastNicaragua history

Oriental Republic of UruguayUruguay history

Disputed with Joaquín Suárez
Manuel Oribe

Republic of BoliviaBolivia history

Interim President
Eusebio Guilarte Vera

Republic of GuatemalaGuatemala history

Republic of Haiti (1820–1849)Haiti history

Republic of ParaguayParaguay history

State of VenezuelaVenezuela history

United StatesUnited States history

President
James K. Polk

Asia

Aceh SultanateIndonesia history

Bruneian EmpireBrunei history

Emirate of Afghanistan: Barakzai dynastyAfghanistan history

Emirate of BukharaUzbekistan history

Emirate of NejdSaudi Arabia history

Johor SultanateIndonesia history

Sultan
Ali

Joseon

Kedah SultanateMalaysia history

Khanate of KhivaUzbekistan history

Khanate of KokandUzbekistan history

Kingdom of ChampasakLaos history

King
Nark

Konbaung dynasty

King
Pagan

Ottoman EmpireTurkey history

Qing dynastyChina history

Emperor
Daoguang

Rattanakosin Kingdom of SiamThailand history

Ryukyu Kingdom: Second Shō dynastyJapan history

Selangor SultanateMalaysia history

Sheikhdom of Abu DhabiUnited Arab Emirates history

Sheikhdom of AjmanUnited Arab Emirates history

Sheikhdom of DubaiUnited Arab Emirates history

Sheikhdom of KuwaitKuwait history

Sheikh
Jaber I

Sheikhdom of SharjahUnited Arab Emirates history

Sheikhdom of Umm Al QuwainUnited Arab Emirates history

Terengganu SultanateMalaysia history

Tokugawa shogunate of JapanJapan history

Emperor
Kōmei

Yemeni Zaidi StateYemen history

Yogyakarta SultanateIndonesia history

Europe

Andorra

French Co-Prince
Louis Philippe I, then Napoleon III

Anhalt-Bernburg

Austria-Hungary: Archduchy/ Austrian Empire/ Kingdom of Hungary

Acting Minister-President
Karl Ludwig von Ficquelmont

BelgiumBelgium history

Prime minister
Charles Rogier

Caucasian ImamateRussia history

Imam
Shamil

DenmarkDenmark history

Prime minister
Adam Wilhelm Moltke

Duchy of Holstein

Duchy of Nassau

Electorate of Brandenburg, Kingdom of Prussia

French Second RepublicFrance history

President of the provisional government
Jacques-Charles Dupont de l'Eure
Chief of the Executive Power
Louis-Eugène Cavaignac

Grand Duchy of FinlandFinland history

Grand Prince
Nicholas I

July Monarchy of FranceFrance history

Kingdom of Bavaria

Kingdom of Bohemia

Kingdom of Croatia (Habsburg)Croatia history

Kingdom of Galicia and LodomeriaUkraine history

Kingdom of GreeceGreece history

King
Otto

Kingdom of Hanover

Kingdom of Lombardy–VenetiaItaly history

Kingdom of PortugalPortugal history

Kingdom of Sardinia, Duchy of SavoyItaly history

King of Sardinia, Duke of Savoy
Charles Albert

Kingdom of Spain (1810–1873)Spain history

Kingdom of the NetherlandsNetherlands history

Kingdom of the Two SiciliesItaly history

Liechtenstein

Prince
Aloys II

LuxembourgLuxembourg history

Grand Duke
William II

MoldaviaRomania history

Papal States

Principality of Waldeck and Pyrmont

Principality of WallachiaRomania history

Russian EmpireRussia history

Emperor
Nicholas I

Saxe-Meiningen

Sweden–Norway

SwitzerlandSwitzerland history

President of the Confederation
Jonas Furrer

United Kingdom of Great Britain and IrelandUnited Kingdom history

Prime minister
John Russell

Oceania

Kingdom of Huahine

Kings of Uvea (Wallis)

Tuʻi Kanokupolu of TongaTonga history