Socialist Union of America was created in 1953.
Socialist Union of America ended in 1959.
Socialist Union Party was created in 1939.
Gabonese Socialist Union was created in 1991.
Socialist-Communist Union was created in 1923.
Patriotic Socialist Union was created in 2007.
Socialist Youth Union was created in 1921.
Arab Socialist Union - Syria - was created in 1973.
Socialist Movement of the Senegalese Union was created in 1956.
Arab Socialist Union - Iraq - was created in 1964.
Arab Socialist Union - Libya - was created in 1971.
Democratic Arab Socialist Union was created in 1980.
Arab Socialist Union - Egypt - was created in 1962.