Country
|
Leader
|
United Kingdom
|
Herbert Henry Asquith, George V
|
Portugal
|
Bernardino Machado
|
Spain
|
Eduardo Dato, Alfonso XIII
|
Andorra
|
Juan Benlloch i Vivó, Raymond Poincaré
|
France
|
Raymond Poincaré
|
Belgium
|
Charles de Broqueville, Albert I
|
Luxembourg
|
Paul Eyschen
|
The Netherlands
|
Pieter Cort van der Linden, Wilhelmina
|
Italy
|
Giovanni Giolitti, Antonio Salandra, Victor Emmanuel III
|
Vatican City
|
Pius X, Benedict XV
|
San Marino
|
Cirro Belluzzi, Domenico Suzzi Valli, Domenico Fattori, Ferruccio Martelli, Olinto Amati, Cesare Stacchini
|
Switzerland
|
Arthur Hoffman
|
Liechtenstein
|
Leopold von Imhof, Franz Josef II
|
Austria-Hungary
|
Francis Joseph I
|
Germany
|
Theobald von Bethmann-Hollweg, Kaiser Wilhelm II
|
Denmark
|
Carl Theodor Zahle, Christian X
|
Sweden
|
Karl Staaff, Gustaf V
|
Norway
|
Gunnar Knudsen, Haakon VII
|
Russia
|
Nicholas II
|
Romania
|
Ion I. C. Brătianu, Charles I, Ferdinand I
|
Bulgaria
|
Vasil Radoslavov, Ferdinand I
|
Serbia
|
Nikola Pašić, Peter I Karađorđević
|
Montenegro
|
Janko Vukotić, Nikola I
|
Albania
|
Ismail Qemali, Turhan Përmeti, Esad Toptani, William
|
Greece
|
Eleftherios Venizelos, Constantine I
|
Ottoman Empire
|
Mehmed V
|
Ha'il
|
Saʿūd bin ʿAbd al-ʿAzīz
|
Nejd
|
Abdulaziz II
|
Oman
|
Faisal bin Turki
|
Yemen
|
al-Mutawakkil Yahya Muhammad Hamid ad-Din
|
Egypt
|
Abbas Helmi II, Hussein Kamel
|
Ethiopia
|
Iyasu V
|
Liberia
|
Daniel Edward Howard
|
|
Country
|
Leader
|
South Africa
|
Louis Botha
|
Iran
|
Ahmad Shah Qajar
|
Afghanistan
|
Habibullah Khan
|
British Raj
|
Lord Hardinge of Penshurst
|
Nepal
|
Tribhuvan Bir Bikram Shah
|
Bhutan
|
Ugyen
|
China
|
Xiong Xiling, Sun Baoqi, Xu Shichang
|
Japan
|
Yoshihito
|
Siam
|
Phrabat Somdet Phra Paraminthra Maha Prajadhipok Phra Pok Klao Chao Yu Hua (Rama VII)
|
Australia
|
Joseph Cook, Andrew Fisher
|
New Zealand
|
William Massey
|
Chile
|
Emiliano Figueroa
|
Argentina
|
Roque Sáenz Peña, Victorino de la Plaza
|
Uruguay
|
José Batlle y Ordóñez
|
Paraguay
|
Eduardo Schaerer
|
Bolivia
|
Ismael Montes
|
Peru
|
Guillermo Billinghurst Angulo, Óscar R. Benavides Larrea
|
Ecuador
|
Leónidas Plaza
|
Brazil
|
Hermes da Fonseca, Venceslau Brás
|
Colombia
|
Carlos Eugenio Restrepo Restrepo, José Vicente Concha Ferreira
|
Venezuela
|
José Gil Fortoul, Victorino Márquez Bustillos
|
Panama
|
Belisario Porras Barahona
|
Costa Rica
|
Ricardo Jiménez Oreamuno, Alfredo González Flores
|
Nicaragua
|
Adolfo Díaz
|
Honduras
|
Francisco Bertrand
|
El Salvador
|
Carlos Meléndez Ramirez, Alfonso Quiñónez Molina
|
Guatemala
|
Manuel Estrada Cabrera
|
Cuba
|
Mario García Menocal
|
Haiti
|
Michel Oreste, Oreste Zamor, Joseph Davilmar Théodore
|
Dominican Republic
|
José Bordas Valdez, Ramón Báez, Juan Isidro Jimenes Pereyra
|
Mexico
|
Victoriano Huerta, Francisco S. Carvajal, Eulalio Gutiérrez
|
United States
|
Woodrow Wilson
|
Canada
|
Sir Robert Borden
|
|