President Wilhelm Miklas (ruler of AUSTRIA since 1928-12-10) | King Albert I (ruler of BELGIUM since 1909-12-23) | Reichpresident Paul von Hindenburg (ruler of GERMANY since 1925-05-12) | King Christian X (ruler of DENMARK since 1912-05-14) | President Niceto Alcala-Zamora y Torres (ruler of SPAIN since 1931-12-11) | President Paul Doumer (ruler of FRANCE since 1931-06-13) | King Victor Emmanuel III (ruler of ITALY since 1900-07-29) | Emperor Hirohito (ruler of JAPAN since 1926-12-25) | Queen Wilhelmina (ruler of NETHERLANDS since 1900-01-01) | President Oscar Carmona (ruler of PORTUGAL since 1926-07-09) | King Gustav V (ruler of SWEDEN since 1907-12-08) | Chiang Kai-Shek (ruler of CHINA since 1928-10-10) |