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

14. 3. 1939 – The foundation of the Slovak State, 1944 - 1945 - The liberation of Czechoslovakia, 29. 8. 1944 - April 1945 - The Slovak National Uprising, January 21. 1945 Burning villages Klak, 5. 1. - 21. 8. 1968 - The Prague Spring and 3 more anniversaries

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

1. 9. 1939 - The outbreak of the WW2, 1944 - 1945 - The liberation of Czechoslovakia, 8. 5. 1945 - End of WWII, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 21. 8. 1968 - Invasion of the Warsaw Pact troops

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

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

29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 1941 - 1945 - Transports to the concentration camps, 1945 - The liberation of the concentration camps and 3 more anniversaries

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

8. 5. 1945 - End of WWII, 25. 2. 1948 - Communist coup d‘état in ČSR, 13.8.1961 - Building of the Berlin Wall, 1962 - Cuban Missile Crisis, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 1 more anniversaries

14. 2. 1945 - Bombing of Prague , 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 26.8.-11.9.1972 - Summer Games of the XX Olympiad , Munich