Soviet Union
Tag
(192)1922
1923
1924
1925
1926
1927
1928
1929
1932
1933
1934
1936
1938
1939
April
May
June
August
September
- 28
- The German–Soviet Boundary and Friendship TreatyOn 28 September 1939 Ribbentrop and Molotov signed the Boundary and Friendship Treaty, moving the partition line to the Bug and giving Lithuania to the USSR.
- The Soviet–Estonian Mutual Assistance PactOn 28 September 1939, under threat of war, Estonia signed a mutual assistance pact in Moscow, giving the USSR bases and the right to station 25,000 troops.
October
November
December
1940
1941
January
March
April
May
June
- 22
- Key eventGermany invades the Soviet UnionAt dawn on 22 June 1941 Germany and its allies attacked the USSR. Operation Barbarossa broke the pact of 1939 and opened the Eastern Front.
- The June Uprising in LithuaniaOn 22 June 1941 Lithuanians rose against the Soviets and next day proclaimed a restored state in Kaunas. Germany did not recognise it; a pogrom followed.
July
August
September
October
November
December
- 21
- Famine in LeningradIn December 1941 almost 53,000 people died of hunger and cold in besieged Leningrad, and the death rate rose from week to week.
- The Bogdanovka massacreOn 21 December 1941 the massacre of Jews from Odessa and Bessarabia began at the Romanian camp at Bogdanovka. By 31 December over 40,000 had been killed.
1942
1943
January
March
- 16
- The discovery of the Katyn gravesIn March 1943 the German Secret Field Police examined mass graves of Polish officers in the Katyn Forest. The world learned of them only in April.
- Stalin demands a second frontIn March 1943 Congress extended Lend-Lease, and on 15–16 March Stalin warned Churchill and Roosevelt against further delay to an invasion of France.
April
July
August
September
October
November
December
1944
January
February
- 14
- The Mereküla landingOn 14 February 1944 Soviet naval infantry landed at Mereküla behind the Narva front, and a rifle regiment crossed Lake Peipus. Both operations were crushed.
- The National Committee of the Estonian RepublicOn 14 February 1944 representatives of Estonia's pre-war parties set up an underground committee in Tallinn to rebuild the state once the Germans withdrew.
March
June
July
August
September
October
- 01
- The Hungarian delegation in MoscowOn 1 October 1944 a secret delegation sent by Regent Horthy and led by General Gábor Faraghó reached Moscow to negotiate a Hungarian–Soviet armistice.
- The Red Army in YugoslaviaAt the turn of September and October 1944 the Red Army crossed the Danube and entered eastern Serbia, as Tito had agreed beforehand with Stalin.