International Mathematical Union was created in 1919.
International Mathematical Union ended in 1936.
Italian Mathematical Union was created in 1922.
African Mathematical Union was created in 1976.
International Mathematical Olympiad was created in 1959.
International Commission on Mathematical Instruction was created in 1908.
International Association of Mathematical Physics was created in 1976.
International Democrat Union was created in 1983.
Union of International Associations was created in 1907.
International Vegetarian Union was created in 1908.
International Triathlon Union was created in 1989.
International Gas Union was created in 1931.
International Seamen's Union was created in 1892.