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

29. 8. 1944 - April 1945 - The Slovak National Uprising, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1941 - 1945 - Transports to the concentration camps, 1945 - The liberation of the concentration camps and 2 more anniversaries

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

21. 8. 1968 - Invasion of the Warsaw Pact troops, 31. 12. 1992 Dissolution of Czechoslovakia, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

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

21. 8. 1968 - Invasion of the Warsaw Pact troops, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 21. – 28.3.1969 – Disorders related to the celebration of Czech hockey team’s, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period

15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 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

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

1. 9. 1939 - The outbreak of the WW2, 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

15. 3. 1939 - The Nazi occupation of ČSR, 25. 2. 1948 - Communist coup d‘état in ČSR, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1948 - 1955 - Politic lawsuit in the Stalin age and 3 more anniversaries

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