While the Party sought affiliation to the Social Democratic Workers Party of Austria, this was refused.

In 1889 she attended her first public meeting for the Social Democratic Workers Party, with her brother.

The majority of the Russian Social Democratic Workers Party was a Marxist political party.

The party was founded after a split in the Czechoslovak Social Democratic Workers Party.

In June 1923 Modráček joined the Social Democratic Workers Party.

That congress resolved to merge with the Czechoslovak Social Democratic Workers Party.

The organization was the youth wing of the Czechoslovak Social Democratic Workers Party.

He became a trusted cadre of the Russian Social Democratic Workers' Party and was a delegate to its 2nd Congress.

Here he enrolled in the Bulgarian Social Democratic Workers' Party.

In May 1999 it merged into the Latvian Social Democratic Workers' Party.