International Democrat Union was created in 1983.
International Women's Democrat Union was created in 1982.
International Young Democrat Union's motto is 'United for Freedom'.
Democrat Union of Africa was created in 1997.
Union of International Associations was created in 1907.
International Seamen's Union was created in 1892.
International Gas Union was created in 1931.
International Philatelic Union was created in 1881.
International Vegetarian Union was created in 1908.
International Mathematical Union was created in 1919.
International Labor Union was created in 1878.
International Skating Union was created in 1892.
International Astronomical Union was created in 1919.