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1918
The war ended, more than 8.5 million men died in the war. Around 16 million men were injured and about 6-13 million civilians lost their lives. -
1919
The communist set up a network of forced labor camps. -
1922
Lenin's communist government united most of Russia's empire into the Union of Soviet Socialist Republics (USSR), or the Soviet Union. -
1924
Lenin died at the age of 54. his death created a powerful struggle with the Communist leaders. -
1929
Stalin isolated Trotsky and striped him of party membership. Trotsky left the country but continued to criticize Stalin. -
1940
A stalinist agent murdered Trotsky in Mexico.