25. 2. 1948 - Communist coup d‘état in ČSR, 5. 1. - 21. 8. 1968 - The Prague Spring, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1944 - 1945 - The liberation of Czechoslovakia, 1948 - 1955 - Politic lawsuit in the Stalin age and 7 more anniversaries

25. 2. 1948 - Communist coup d‘état in ČSR, 1944 - 1945 - The liberation of Czechoslovakia, 1948 - 1955 - Politic lawsuit in the Stalin age, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 24. 2. 1949 – Formation of the Czechoslovak Union of Youth and 1 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 8. 5. 1945 - End of WWII, 1944 - 1945 - The liberation of Czechoslovakia

1. 9. 1939 - The outbreak of the WW2, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1944 - 1945 - The liberation of Czechoslovakia, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR

1944 - 1945 - The liberation of Czechoslovakia, 18. 4. - 10. 5. 1945 - osvobození západní části ČSR americkou armádou, 8. 5. 1945 - End of WWII

29. 9. 1938 - The Munich Diktat, 1944 - 1945 - The liberation of Czechoslovakia, 8. 5. 1945 - End of WWII, 21. 8. 1968 - Invasion of the Warsaw Pact troops

1944 - 1945 - The liberation of Czechoslovakia, 29. 8. 1944 - April 1945 - The Slovak National Uprising

13. – 14. 4. 1950 – "Action K" – forceful concentration of Czech monks, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1944 - 1945 - The liberation of Czechoslovakia

2.11.1938 - First Vienna Award (Hungarian annexation of Carpathian Ruthenia and South Slovakia), 3. - 6. 11. 1943 - Battle of Kiev, 1944 - 1945 - The liberation of Czechoslovakia, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 21. 8. 1968 - Invasion of the Warsaw Pact troops

1944 - 1945 - The liberation of Czechoslovakia, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 8. 5. 1945 - End of WWII, 19. 6. – 23. 6. 1948 – The Sokol Gathering, 23. 2. 1949 – Beginning the forced agricultural collectivisation and 1 more anniversaries