22. 8. 1968 – Extraordinary congress (the “Vysočany Congress”) of KSČ

22. 8. 1968 – Extraordinary congress (the “Vysočany Congress”) of KSČ

29. 9. 1938 - The Munich Diktat, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 17. 11. 1939 – Closure of Czech universities and 1 more anniversaries

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 22. 8. 1968 – Extraordinary congress (the “Vysočany Congress”) of KSČ, 21. – 28.3.1969 – Disorders related to the celebration of Czech hockey team’s, 16. 1. 1969 – Jan Palach´s self-immolation and 3 more anniversaries

9. - 10. 11. 1938 Crystal Night, 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, 22. 8. 1968 – Extraordinary congress (the “Vysočany Congress”) of KSČ and 4 more anniversaries

18. 4. - 10. 5. 1945 - osvobození západní části ČSR americkou armádou, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 22. 8. 1968 – Extraordinary congress (the “Vysočany Congress”) of KSČ

1944 - 1945 - The liberation of Czechoslovakia, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 22. 8. 1968 – Extraordinary congress (the “Vysočany Congress”) of KSČ, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1990 - 1991 - Odsun sovětských vojsk z Československa

1. 9. 1939 - The outbreak of the WW2, 1941 - 1945 - Transports to the concentration camps, 14. 2. 1945 - Bombing of Prague , 5. 1. - 21. 8. 1968 - The Prague Spring, 22. 8. 1968 – Extraordinary congress (the “Vysočany Congress”) of KSČ

30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 22. 8. 1968 – Extraordinary congress (the “Vysočany Congress”) of KSČ, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

14. 2. 1945 - Bombing of Prague , 21. 8. 1968 - Invasion of the Warsaw Pact troops, 25. 2. 1948 - Communist coup d‘état in ČSR, 22. 8. 1968 – Extraordinary congress (the “Vysočany Congress”) of KSČ, 30. 5. 1945 – 29. 10. 1946 - Withdrawal of Germans from Czechoslovakia and 5 more anniversaries

1941 - 1945 - Transports to the concentration camps, 1948 - 1955 - Politic lawsuit in the Stalin age, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 22. 8. 1968 – Extraordinary congress (the “Vysočany Congress”) of KSČ and 4 more anniversaries