King Albert I (ruler of BELGIUM since 1909-12-23) | President Jose Gutierrez (ruler of BOLIVIA since 1917-08-15) | Delfim Moreira (ruler of BRAZIL since 1919-01-16) | President Tomas Garrigue Masaryk (ruler of CZECHOSLOVAKIA since 1918-11-14) | President Mario Garcia Menocal (ruler of CUBA since 1913-05-20) | President Alfredo Baquerizo Moreno (ruler of ECUADOR since 1916-09-01) | President Raymond Poincare (ruler of FRANCE since 1913-02-18) | King Alexander I (ruler of GREECE since 1917-06-12) | President Manuel Jose Estrada (ruler of GUATEMALA since 1900-01-01) | President Francisco Bertrand (ruler of HONDURAS since 1916-02-01) | President Philippe Sudre Dartiguenave (ruler of HAYTI since 1915-08-12) | King Hussein bin Ali al-Hashemi (ruler of HEJAZ since 1916-06-10) |
Viceroy Frederic Thesiger (ruler of INDIA since 1916-04-04) | King Victor Emmanuel III (ruler of ITALY since 1900-07-29) | Emperor Yoshihito (ruler of JAPAN since 1912-07-30) | President Daniel Edward Howard (ruler of LIBERIA since 1912-01-01) | President Antanas Smetona (ruler of LITHUANIA since 1918-11-02) | President Emiliano Chamorro (ruler of NICARAGUA since 1917-01-01) | President Belisario Porras Barahona (ruler of PANAMA since 1918-10-12) | President Jose Pardo y Barreda (ruler of PERU since 1915-08-18) | Jozef Pilsudski (ruler of POLAND since 1918-11-14) | President Joao do Canto e Castro (ruler of PORTUGAL since 1918-12-16) | King Nicholas I. Petrovich-Njegosh (ruler of MONTENEGRO-IN-EXILE since 1916-01-14) | President Hsu Shih-Chang (ruler of CHINA since 1918-10-10) |
King Ferdinand I (ruler of RUMANIA since 1914-10-10) | Captains Regent (ruler of SAN MARINO since 1918-10-01) | King Rama VI Vajiravudh (ruler of SIAM since 1910-10-23) | King George V (ruler of UNITED KINGDOM since 1910-05-06) | President Woodrow Wilson (ruler of AMERICA since 1913-03-04) | President Feliciano Viera (ruler of URUGUAY since 1915-03-01) | King Peter I. Karageorgevich (ruler of JUGO-SLAVIA since 1917-07-20) |