6. 4. - 17. 4. 1941 Dubnová válka (Německý útok na Jugoslávii) , 8. 5. 1945 - End of WWII, 25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 13. 7. 1943 - Destroying of Český Malín, 17.9.1939 - Soviet invasion of Poland , Western Ukrainian lands within Poland 1919–1939, 1941-1944 - Nazi occupation of Ukraine and 1 more anniversaries

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

2. 10. 1938 - Poland's annexation of Teschen area, September 1939- occupation of the entire Upper Silesia by Germany, 8. 5. 1945 - End of WWII, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 21. 8. 1968 - Invasion of the Warsaw Pact troops

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

10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, Ukrainian insurgent movement 1930–1950, 13. 7. 1943 - Destroying of Český Malín

1951 - Deportation from Banat to Baragan (Romania), 16. 12. 1989 - 24-25. 12. 1989 - The Romanian revolution

18. - 21. 8. 1969 – mass demonstrations against Soviet occupation

1944 - 1945 - The liberation of Czechoslovakia, 8. 5. 1945 - End of WWII, 23. 2. 1949 – Beginning the forced agricultural collectivisation

1944 - 1945 - The liberation of Czechoslovakia, 29. 8. 1944 - April 1945 - The Slovak National Uprising, 23. 2. 1949 – Beginning the forced agricultural collectivisation