Emperor Charles I (ruler of AUSTRIA-HUNGARY since 1916-11-21) | King Albert I (ruler of BELGIUM-IN-EXILE since 1909-12-23) | Emperor William II (ruler of GERMANY since 1900-01-01) | King Alfonso XII (ruler of SPAIN since 1900-01-01) | President Raymond Poincare (ruler of FRANCE since 1913-02-18) | King Victor Emmanuel III (ruler of ITALY since 1900-07-29) | Emperor Yoshihito (ruler of JAPAN since 1912-07-30) | Venustiano Carranza (ruler of MEXICO since 1915-10-10) | Queen Wilhelmina (ruler of NETHERLANDS since 1900-01-01) | President Bernardino Machado (ruler of PORTUGAL since 1915-10-05) | President Li Yuan-Hung (ruler of CHINA since 1916-06-07) | Tsar Nicholas II (ruler of RUSSIA since 1900-01-01) |