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

The liberation of the city of Ostrava, 8. 5. 1945 - End of WWII, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period and 2 more anniversaries

29. 9. 1938 - The Munich Diktat, 25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. 1939 – Closure of Czech universities

1944 - 1945 - The liberation of Czechoslovakia, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

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, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

15. 3. 1939 - The Nazi occupation of ČSR, 1944 - 1945 - The liberation of Czechoslovakia, 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

17. 11. 1989 - Demonstration at Národní třída, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 1. 1. 1977 - Declaration of Chart 77, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 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, 16. 1. 1969 – Jan Palach´s self-immolation

17. 11. 1939 – Closure of Czech universities, 1. 9. 1939 - The outbreak of the WW2, 13. 8. – 31. 10. 1940 - The Battle of Britain, 5. 1. - 21. 8. 1968 - The Prague Spring, 19. – 21. 11. 1968 – The three-day student strike and other displays of civil r and 8 more anniversaries