International Union of Nutritional Sciences was created in 1948.
International Union of Pure and Applied Chemistry.
Kenya People's Union was created in 1966.
The International Astronomical Union changed the classification of Pluto in August of 2006. They downgraded it from a planet to a dwarf planet.
International Astronomical Union (IAU
IUPAC stands for International Union of Pure and Applied Chemistry.
International Triathlon Union was created in 1989.
Union of International Associations was created in 1907.
International Democrat Union was created in 1983.
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.
International Typographical Union was created in 1852.