21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 1944 - 1945 - The liberation of Czechoslovakia, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 23. 2. 1949 – Beginning the forced agricultural collectivisation

1. 9. 1939 - The outbreak of the WW2

29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 27. 5. 1942 - Assassination of R. Heydrich, 8. 5. 1945 - End of WWII, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 1 more anniversaries

1. 9. 1939 - The outbreak of the WW2, 1944 - 1945 - The liberation of Czechoslovakia

Ukraine in 1990-s., 2014 - first invasion of Russia into Ukraine, 2022 - full scale invasion of Russia into Ukraine

29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 1941 - 1945 - Transports to the concentration camps, 21. 8. 1968 - Invasion of the Warsaw Pact troops