Theodor Liebknecht, brother of the assassinated German Spartacist leader Karl, acted as a lawyer for the defense; the venerable anarchist P.A. Kropotkin appealed personally to Vladimir Lenin to spare the lives of the defendants, Karl Kautsky wrote impassioned pamphlets about the trial and American trade unionists demonstrated for the release of the SRs.
The Spartacus League, a left-wing Marxist revolutionary movement in Germany during and just after World War I
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An ancient supporter of Spartacus, who led a slave rebellion against the Roman Empire
In November 1918, the Spartacist leader, Karl Liebknecht, declared the German Socialist Republic from a balcony of the Stadtschloss, ending more than 400 years of royal occupation of the building.