5. – 9. 5. 1945 - Prague Uprising, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

2.11.1938 - First Vienna Award (Hungarian annexation of Carpathian Ruthenia and South Slovakia), 21. 8. 1968 - Invasion of the Warsaw Pact troops, 16. 1. 1969 – Jan Palach´s self-immolation , 26 April 1986 - Chernobyl disaster, 1989 - The fall of the iron curtain and 1 more anniversaries

1936 - 1938 - Great Terror in the USSR, 1989 - The fall of the iron curtain, 2022 - full scale invasion of Russia into Ukraine

14. 3. 1939 – The foundation of the Slovak State, 1. 9. 1939 - The outbreak of the WW2, 1944 - 1945 - The liberation of Czechoslovakia, 8. 5. 1945 - End of WWII, 26. 5. 1946 – The last “free” parliamentary election in Czechoslovakia and 11 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops

21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

26.8.-11.9.1972 - Summer Games of the XX Olympiad , Munich

1989 - The fall of the iron curtain, 31. 12. 1992 Dissolution of Czechoslovakia