Polish Social Democratic Party of Galicia was created in 1890.
Polish Social Democratic Party of Galicia ended in 1919.
Democratic Social Movement was created in 1995.
Social Democratic League was created in 1881.
Social Democratic Bund was created in 1920.
Social Democratic Federation was created in 1881.
Social Democratic Alternative was created in 2002.
Social Democratic Alliance was created in 2000-05.
Polish-Lithuanian Social Revolutionary Party was created in 1881.
Yugoslav Social-Democratic Party was created in 1896.
Social Democratic Party of Kyrgyzstan was created in 1993.
Siberian Social-Democratic Union was created in 1901.
Christian Social Democratic Party was created in 2002.