REV. RUSA By luuuuuuciiiiii 1917 TESIS DE ABRIL Period: 1917 to 1918 M. CONSTIT. 1918 REV COMUNISTA Period: 1918 to 1921 GUERRA CIVIL Period: 1921 to 1922 GOBIERNO DE LENIN 1922 URSS Period: 1924 to 1927 STALIN