1. 9. 1939 - The outbreak of the WW2

09.09.1944 - The coup d'état of the Motherland Front and the communists coming to power, 23.12.1947 - Mass Nationalization of industrial and other property in Bulgaria, 1948 - 1955 - Politic lawsuit in the Stalin age, 10.11.1989 - The Transition from communism to democracy in Bulgaria

1945 - 1947 Expulsion of Germans from former German East territories, 8. 5. 1945 - End of WWII

1. 9. 1939 - The outbreak of the WW2, 17.9.1939 - Soviet invasion of Poland , 8. 5. 1945 - End of WWII, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 1 more anniversaries

1944 - 1949 Greek civil war

1956 - student protests in Timisoara (Rumania), 23. 10. 1956 - Hungarian revolution of 1956 and fightings for independence

20. 6. - 29. 8. 1944 - Operation Bagration, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR

1936 - 1938 - Great Terror in the USSR