September 1939- occupation of the entire Upper Silesia by Germany, March 1945 - the occupation of Upper Silesia by the Soviet army, 8. 5. 1945 - End of WWII, 21. 8. 1968 - Invasion of the Warsaw Pact troops

10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR

25. 2. 1948 - Communist coup d‘état in ČSR, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 14. 3. 1953 – Klement Gottwald’s death, March 5th, 1953 - Death of Josif V. Stalin, 5. 1. - 21. 8. 1968 - The Prague Spring and 5 more anniversaries

30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1944 - 1945 - The liberation of Czechoslovakia, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR

30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 8. 5. 1945 - End of WWII

September 1939- occupation of the entire Upper Silesia by Germany, March 1945 - the occupation of Upper Silesia by the Soviet army, 8. 5. 1945 - End of WWII

1. 9. 1939 - The outbreak of the WW2, 1940 - 1941 Soviet occupation of the Baltic states, 1941 - 1944 German occupation of the Baltic states, 30.11.1939 - 13.3.1940 Winter War