The Independent Social Democratic Party of Germany was a short-lived, left-wing political party in Germany during the late German Empire and early Weimar Republic. It was established in 1917 by member
Karl Liebknecht in 1912. He cast the first vote in the imperial Reichstag against war funding.
Hugo Haase, one of the first chairmen of the USPD, c. 1916
The Council of the People's Deputies. From left to right: Wilhelm Dittman (USPD), Otto Landsberg (MSPD), Hugo Haase (USPD), Friedrich Ebert (MSPD), Emil Barth (USPD) and Philipp Scheidemann (MSPD)
Rosa Luxemburg circa 1911. She was a member of the Spartacus League within the USPD before leaving to co-found the Communist Party of Germany with Karl Liebknecht.
The Berlin March Battles of 1919, also known as Bloody Week, were the final major event of the German revolution of 1918–1919. The fighting grew out of a general strike by Berlin workers who wanted to
Revolutionaries executed by the Freikorps
Wilhelm Reinhard, commander of the Freikorps in Lichtenberg
Alleged Spartacist being searched by a soldier