‘United Opposition’ of Trotsky, Zinoviev, and Kamenev emerges in the Central Committee (6–9 April); Zinoviev removed from the Politburo (14–23 July); Trotsky and Kamenev removed from Politburo (23–6 October); Bukharin replaces Zinoviev as chairman of Comintern; Family Code to reform marriage and divorce
1927
‘War Scare’ with Great Britain (May-August); Trotsky and Zinoviev expelled from Central Committee (21–23 October); Trotsky and Zinoviev expelled from party (15 November); Fifteenth Party Congress, which approves Kamenev’s expulsion from the party (2–19 December); First Five-Year Plan
1928
Trotsky exiled to Alma-Ata (16 January); Shakhty Trial (18 May-5 July) and beginning of the ‘cultural revolution’; first Five-Year Plan officially commenced (1 October)
1929
Defeat of the ‘Right Opposition’ (Bukharin, Rykov, and Tomskii); ban on ‘religious associations’ and proselytizing (April); Stalin condemns ‘right deviation’ (21 August); Bukharin dropped from Politburo (10–17 November); celebration of Stalin’s fiftieth birthday and beginning of the ‘cult of the individual’ (21 December); Stalin calls for mass collectivization and liquidation of kulaks (27 December)
1930
Mass collectivization launched (5 January); Stalin’s ‘Dizziness from Success’ published in
1932
Issue of internal passports (December)
1932–3
Famine in Ukraine and elsewhere
1933
Second Five-Year Plan (1 January 1933–December 1937)
1934
Seventeenth Party Congress (January); first congress of Union of Soviet Writers (August); assassination of Sergei Kirov (December)
1935
Model collective farm statute (February); Stakhanovite movement begun (September)
1936
New family law restricting abortion and divorce (June); show trial of Zinoviev, Kamenev, and others (August); Ezhov appointed head of NKVD (September); promulgation of Stalin Constitution (December)
1937
Show trial of Radek, Piatakov, and others (January); execution of Marshal Tukhachevskii and Red Army officers (June); height of ‘Great Terror’ (to late 1938)
1938
Third Five-Year Plan (1 January 1938–June 1941); trial of N. Bukharin, Rykov, and others (March); introduction of ‘labour book’ for workers (December); Beria succeeds Ezhov as head of NKVD (December)
1939
Nazi–Soviet pact (August); Soviet invasion of eastern Poland (September); Soviet–Finnish ‘winter war’ (November 1939–March 1940)
1940
Soviet annexation of Baltic states (June)
1941
Nazi Germany invades USSR (22 June); formation of State Defence Committee (30 June); emergency legislation to mobilize labour, institute rationing, lengthen working day, and criminalize absenteeism (June-December); Stalin’s speech to the nation (3 July); Germans reach Smolensk (16 July); beginning of siege of Leningrad (July); fall of Kiev (19 September); battle for Moscow (November–December); USA approves Lend-Lease aid for the USSR (7 November); Soviet counter-offensive (December 1941–February 1942)
1942
Anglo-Soviet alliance (May); fall of Sevastopol (July); Battle of Stalingrad (August 1942–February 1943)
1943
Surrender of von Paulus at Stalingrad (31 January); battle of Kursk (July); Stalin eases restrictions on Russian Orthodox Church (September); Teheran Conference (November); beginning of deportations of nationalities from northern Caucasus
1944
Siege of Leningrad broken (January); Belorussian operation and destruction of German army group ‘Centre’ (June-July); Soviet armies penetrate Poland, Romania, Yugoslavia, and Hungary (July-December)
1945
Soviet invasion of Germany (January); Yalta Conference (February); US and Soviet forces meet at the Elbe (25 April); German unconditional surrender (9 May); Potsdam Conference (July-August); Soviet invasion of Manchuria (9 August); formal Japanese surrender (2 September)
1946
Stalin’s ‘electoral speech’ (February); attacks on leading intellectuals, onset of ‘Zhdanovshchina’; decree on collective farms (September).
1947
Famine in Ukraine (1947–8); formation of Communist Information Bureau, or Cominform (September)
1948
Communist coup in Czechoslovakia (February); start of Berlin blockade (May)
1949
Leningrad affair; formation of NATO (April); end of Berlin blockade (May); Soviet atomic bomb test (August) 1950 Outbreak of Korean War (25 June)
1951
Nineteenth Party Congress
1952
Doctors’ plot (January); death of Stalin (5 March)
1953
G. Malenkov becomes head of state, Beria head of the NKVD and police, N. S. Khrushchev first secretary of the party; denunciation of doctors’ plot; arrest of L. Beria (26 June; executed in December); first hints of de-Stalinization and cultural ‘thaw’
1954
Publication of I. Ehrenburg’s
1955
Malenkov replaced by Bulganin as head of state
1956