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

29. 6. 1945 – Withdrawal from the Carpatho-Russia in favour of the USSR, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops

13. – 14. 4. 1950 – "Action K" – forceful concentration of Czech monks, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 12 November 1989 - Canonization of Agnes of Bohemia, 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, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation

5. 1. - 21. 8. 1968 - The Prague Spring, 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, 1. 1. 1977 - Declaration of Chart 77, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

30. 5. 1945 – 29. 10. 1946 - Withdrawal of Germans from Czechoslovakia, 1968 - 1970 - Second renewal of Junák, 21. 8. 1968 - Invasion of the Warsaw Pact troops

14. 2. 1945 - Bombing of Prague , 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

30. 5. 1945 – 29. 10. 1946 - Withdrawal of Germans from Czechoslovakia, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 16. 1. 1969 – Jan Palach´s self-immolation

1941 - 1945 - Transports to the concentration camps, 21. 8. 1968 - Invasion of the Warsaw Pact troops