World leaders in 1918
Everyone who held a state’s top posts at some point in 1918, 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 1918 →
Major powers in 1918
United StatesUnited States history
- President
- Woodrow Wilson
United KingdomUnited Kingdom history
- King
- George V
- Prime minister
- David Lloyd George
RussiaRussia history
- Premier
- Vladimir Lenin
Republic of China (1916–1949)China history
- President
- Feng Guozhang, then Xu Shichang
French Third RepublicFrance history
- President
- Raymond Poincaré
- President of the Council of ministers
- Georges Clemenceau
German EmpireGermany history
- Emperor
- Wilhelm II
- Chancellor
- Georg von Hertling, then Maximilian of Baden
- Revolutionary period Chancellor
- Friedrich Ebert
Empire of JapanJapan history
- Emperor
- Taishō
- Prime minister
- Terauchi Masatake, then Hara Takashi
Africa
Beylik of TunisTunisia history
- Grand vizier
- Taïeb Djellouli
Ethiopian Empire
- Empress
- Zewditu I
Kingdom of Rwanda
- King
- Yuhi V Musinga
LiberiaLiberia history
- President
- Daniel Edward Howard
Sultanate of EgyptEgypt history
- Prime minister
- Hussein Roshdy Pasha
Sultanate of Morocco: Alaouite dynasty
- Sultan
- Yusef
Sultanate of Zanzibar
- Sultan
- Khalifa II
Union of South AfricaSouth Africa history
- King
- George V
Americas
Argentine RepublicArgentina history
- President
- Hipólito Yrigoyen
BoliviaBolivia history
- President
- José Gutiérrez Guerra
CanadaCanada history
- Prime minister
- Robert Borden
Dominion of NewfoundlandCanada history
- King
- George V
- Prime minister
- William F. Lloyd
EcuadorEcuador history
- President
- Alfredo Baquerizo
El SalvadorEl Salvador history
- President
- Carlos Meléndez Ramirez
- Provisional President
- Alfonso Quiñónez Molina
First Brazilian RepublicBrazil history
- President
- Venceslau Brás, then Delfim Moreira
First Costa Rican RepublicCosta Rica history
- President
- Federico Tinoco Granados
GuatemalaGuatemala history
- President
- Manuel Estrada Cabrera
HondurasHonduras history
- President
- Francisco Bertrand
MexicoMexico history
- President
- Venustiano Carranza
NicaraguaNicaragua history
- President
- Emiliano Chamorro Vargas
Parliamentary Era ChileChile history
- President
- Juan Luis Sanfuentes
Republic of ColombiaColombia history
- President
- José Vicente Concha Ferreira, then Marco Fidel Suárez
Republic of CubaCuba history
- President
- Mario García Menocal
Republic of Haiti (1859–1957)Haiti history
- President
- Philippe Sudré Dartiguenave
Republic of ParaguayParaguay history
- President
- Manuel Franco
Republic of PeruPeru history
- Constitutional President
- José Pardo y Barreda
United StatesUnited States history
- President
- Woodrow Wilson
UruguayUruguay history
- President
- Feliciano Viera
Asia
Bogd Khanate of MongoliaMongolia history
- Khagan
- Bogd Khan
Emirate of Abu DhabiTurkey history
Emirate of Afghanistan: Barakzai dynastyAfghanistan history
- Emir
- Habibullah Khan
Emirate of AjmanTurkey history
Emirate of BukharaUzbekistan history
Emirate of DubaiTurkey history
Emirate of FujairahTurkey history
Emirate of SharjahTurkey history
Empire of JapanJapan history
- Emperor
- Taishō
- Prime minister
- Terauchi Masatake, then Hara Takashi
French Protectorate of Luang PhrabangLaos history
- King of Luang Phrabang
- Sisavang Vong
Hakims of BahrainBahrain history
Kedah SultanateMalaysia history
Khanate of KhivaUzbekistan history
Kingdom of HejazSaudi Arabia history
- King
- Hussein bin Ali
Negeri SembilanMalaysia history
- Yamtuan
- Muhammad
Nguyễn dynastyVietnam history
- Emperor
- Khải Định
North Yemen: Mutawakkilite Kingdom of YemenYemen history
Ottoman (Turkish) EmpireTurkey history
- Grand Vizier
- Mehmed Talat Pasha, then Ahmed Izzet Pasha, then Ahmet Tevfik Pasha
PakualamanIndonesia history
- Sultan
- Pakualam VII
Perak Sultanate: Siak dynastyMalaysia history
- Sultan
- Abdul Jalil Nasiruddin Muhtaram Shah, then Iskandar
Protectorate of BruneiBrunei history
- Sultan
- Muhammad Jamalul Alam II
QatarQatar history
Republic of China (1916–1949)China history
- President
- Feng Guozhang, then Xu Shichang
Saudi ArabiaSaudi Arabia history
- Emir
- Ibn Saud
Selangor SultanateMalaysia history
- Sultan
- Sulaiman
Sheikhdom of KuwaitKuwait history
- Sheikh
- Salim I
Siam/Thailand: Rattanakosin KingdomThailand history
- King
- Vajiravudh
Sublime State of Persia: Qajar dynastyIran history
- Shah
- Ahmad Shah Qajar
Sultanate of Siak Sri IndrapuraIndonesia history
- Sultan
- Syarif Kasim II
Sultanate/ State of Muscat and OmanOman history
- Sultan
- Taimur
Surakarta SunanateIndonesia history
- Sultan
- Pakubuwono X
Terengganu SultanateMalaysia history
- Sultan
- Zainal Abidin III
Umm Al QuwainTurkey history
Yogyakarta SultanateIndonesia history
- Sultan
- Hamengkubuwono VII
Europe
Andorra
- Episcopal Co-Prince
- Juan Benlloch i Vivó
- French Co-Prince
- Raymond Poincaré
Austria-Hungary: Austrian Empire and Kingdom of HungaryAustria history
- Emperor
- Charles I & IV
- Ministers-President
- Heinrich Lammasch
- Prime Minister
- Sándor Wekerle, then János Hadik, then Mihály Károlyi
Azerbaijan Democratic RepublicAzerbaijan history
- Head of state
- Alimardan Topchubashov
BelgiumBelgium history
- King
- Albert I
- Prime minister
- Charles de Broqueville, then Gérard Cooreman, then Léon Delacroix
Bourbon Restoration of SpainSpain history
- King
- Alfonso XIII
- Prime minister
- Manuel García-Prieto, then Antonio Maura, then Álvaro de Figueroa
Czechoslovakia: First Republic
- President
- Tomáš Garrigue Masaryk
- Prime minister
- Karel Kramář
Democratic Republic of GeorgiaGeorgia history
- Prime minister
- Noe Ramishvili, then Noe Zhordania
Duchy of AnhaltGermany history
- Duke
- Frederick II, then Eduard, then Joachim Ernest
Duchy of BrunswickGermany history
- Duke
- Ernest Augustus
Estonian Provisional GovernmentEstonia history
- Prime minister
- Konstantin Päts
Fascist Italy (1922–1943)Italy history
First Portuguese RepublicPortugal history
- President
- Sidónio Pais, then João do Canto e Castro
- Acting President of the Government
- João do Canto e Castro
First Republic of ArmeniaArmenia history
- Prime minister
- Hovhannes Kajaznuni
French Third RepublicFrance history
- President
- Raymond Poincaré
- President of the Council of ministers
- Georges Clemenceau
German EmpireGermany history
- Emperor
- Wilhelm II
- Chancellor
- Georg von Hertling, then Maximilian of Baden
- Revolutionary period Chancellor
- Friedrich Ebert
Grand Duchy of LuxembourgLuxembourg history
- Grand Duchess
- Marie-Adélaïde
- Prime minister
- Léon Kauffman, then Émile Reuter
Kingdom of BavariaGermany history
- King
- Ludwig III
Kingdom of Bohemia
- King
- Charles III
Kingdom of BulgariaBulgaria history
- Tsar
- Ferdinand I, then Boris III
- Prime minister
- Vasil Radoslavov, then Aleksandar Malinov, then Teodor Teodorov
Kingdom of Croatia-Slavonia
- King
- Charles I
Kingdom of DenmarkDenmark history
- King
- Christian X
- Council president; Prime minister
- Carl Theodor Zahle
Kingdom of Finland (1918)Finland history
- Regent
- Pehr Evind Svinhufvud, then Carl Gustaf Emil Mannerheim
- Prime minister
- Juho Kusti Paasikivi, then Lauri Ingman
Kingdom of Galicia and LodomeriaUkraine history
- King
- Karl I
Kingdom of GreeceGreece history
- King
- Alexander
- Prime minister
- Eleftherios Venizelos
Kingdom of IcelandIceland history
- King
- Christian X
- Prime minister
- Jón Magnússon
Kingdom of ItalyItaly history
- Prime minister
- Vittorio Emanuele Orlando
Kingdom of Montenegro
- President in-exile
- Evgenije Popović
Kingdom of NorwayNorway history
- King
- Haakon VII
- Prime minister
- Gunnar Knudsen
Kingdom of RomaniaRomania history
- King
- Ferdinand I
- Prime minister
- Ion I. C. Brătianu, then Alexandru Averescu, then Alexandru Marghiloman, then Constantin Coandă
Kingdom of SwedenSweden history
Kingdom of WürttembergGermany history
- King
- William II
Liechtenstein
- Prince
- Johann II
- Governor
- Leopold Freiherr von Imhof, then Prince Karl Aloys
- Chairman of the Provisional Executive Committee
- Martin Ritter
Moldavian Democratic RepublicMoldova history
- President
- Ion Inculeț
Monaco
- Prince
- Albert I
NetherlandsNetherlands history
- Queen
- Wilhelmina
- Prime minister
- Pieter Cort van der Linden, then Charles Ruijs de Beerenbrouck
Principality of AlbaniaAlbania history
- Prince in exile
- Wilhelm
- Chairman of the Provisional Government
- Turhan Përmeti
- Prime minister
- Turhan Përmeti
Principality of Waldeck and PyrmontGermany history
- Prince
- Friedrich
Republic of German-AustriaAustria history
- Chancellor
- Karl Renner
Republic of LatviaLatvia history
- Prime minister
- Kārlis Ulmanis
Republic of LithuaniaLithuania history
- Prime minister
- Augustinas Voldemaras, then Mykolas Sleževičius
Russian Soviet Federative Socialist Republic, Sovereign state (1917–1922)Russia history
- Premier
- Vladimir Lenin
Russian State (1918–1920)Russia history
- Supreme Ruler
- Alexander Kolchak
Saxe-Coburg and GothaGermany history
- Duke
- Charles Edward
Saxe-MeiningenGermany history
- Duke
- Bernhard III
Second Polish RepublicPoland history
- Chief of State
- Józef Piłsudski
- Prime minister
- Ignacy Daszyński, then Jędrzej Moraczewski
SwitzerlandSwitzerland history
- President of the Confederation
- Felix Calonder
Ukrainian People's RepublicUkraine history
- Prime minister
- Volodymyr Vynnychenko, then Vsevolod Holubovych, then Volodymyr Chekhivsky
United Kingdom of Great Britain and IrelandUnited Kingdom history
- King
- George V
- Prime minister
- David Lloyd George
Oceania
AustraliaAustralia history
- King
- George V
- Prime minister
- Billy Hughes
Dominion of New ZealandNew Zealand history
- King
- George V
- Prime minister
- William Massey
Kingdom of Tonga (1900–70)Tonga history
- King
- George Tupou II, then Sālote Tupou III
Kings of Uvea (Wallis)
- King
- Sosefo Mautāmakia II, then Vitolo Kulihaapai