King Leopold II (ruler of BELGIUM since 1900-01-01) | Prince Ferdinand I (ruler of BULGARIA since 1900-01-01) | Emperor William II (ruler of GERMANY since 1900-01-01) | King Christian IX (ruler of DENMARK since 1900-01-01) | King Alfonso XII (ruler of SPAIN since 1900-01-01) | President Emile Loubet (ruler of FRANCE since 1900-01-01) | Mozaffar ad-Din Shah Kajar (ruler of PERSIA since 1900-01-01) | King Victor Emmanuel III (ruler of ITALY since 1900-07-29) | Queen Wilhelmina (ruler of NETHERLANDS since 1900-01-01) | King Carlos I the Diplomat (ruler of PORTUGAL since 1900-01-01) | King Carol I (ruler of RUMANIA since 1900-01-01) | Tsar Nicholas II (ruler of RUSSIA since 1900-01-01) |