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

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1948 - 1955 - Politic lawsuit in the Stalin age

21. 8. 1968 - Invasion of the Warsaw Pact troops, 23. 10. 1956 - Hungarian revolution of 1956 and fightings for independence, 1944 - 1945 - The liberation of Czechoslovakia, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

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

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

1945 - 1946 Resettlement of Poles in the "Regained lands" , 8. 5. 1945 - End of WWII, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

5. – 9. 5. 1945 - Prague Uprising, 25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 1. 1. 1977 - Declaration of Chart 77 and 7 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain