Sparticist uprising 5 – 12 January 1919, 50,000 members of the post-World War One Communist Party, known as the Spartacists, rebelled in Berlin, led by Rosa Luxemburg and Karl Liebknecht.• The government was saved when it armed bands of ex-soldiers called friekorps,
afterwards the communist took positions of power all over the country but they were stopped by may 1919