Canadian Union of Postal Workers was created in 1965.
American Postal Workers Union was created on 1971-07-01.
Canadian Union of Skilled Workers was created in 1999.
Universal Postal Union was created on 1874-10-09.
Workers' Union was created in 1898.
Canadian Geophysical Union was created in 1974.
Union of Djibouti Workers was created in 1992.
Christian Workers' Union was created in 1963.
Moroccan Workers' Union was created in 1955.
Union of Communication Workers was created in 1919.
National Union of Workers was created in 1989.
Australian Workers' Union was created in 1894.
Union of Russian Workers was created in 1908.