After many years of Stalin's tyranny and corrupted regime, leaders of All-Russian Communist Party (Bolsheviks) and masses of suffering workers, peasants, and red army soldiers decided to end Stalin's regime. 7th February 1934 became greatest day in new history. Sergei Mironovich Kirov, Leningrad party leader, said strong criticism against Stalin government, corruption and poverty in the Soviet Union, and he proclaimed the establishment of democratic elections, plural political system and direct democracy with new economic reforms and liberalisations. Kirov became celebrated as hero of Soviet Union and Soviet people. Red Army officers from Revolutionaries Army Committee, group of anti-Stalin officers, supported Kirov and mobilised Red Army to prevent NKVD attacks.