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

21. 8. 1968 - Invasion of the Warsaw Pact troops, 29. 9. 1938 - The Munich Diktat, 1944 - 1945 - The liberation of Czechoslovakia

29. 9. 1938 - The Munich Diktat, 25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1944 - 1945 - The liberation of Czechoslovakia, 30. 5. 1945 – 29. 10. 1946 - Withdrawal of Germans from Czechoslovakia and 2 more anniversaries

21 September 1937 - Funeral of President Masaryk, july 1938 - X. sokol slet's, 29. 9. 1938 - The Munich Diktat, 5. – 9. 5. 1945 - Prague Uprising, 8. 5. 1945 - End of WWII and 4 more anniversaries

1944 - 1945 - The liberation of Czechoslovakia, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 1944 - 1945 - The liberation of Czechoslovakia, 8. 5. 1945 - End of WWII, 26. 5. 1946 – The last “free” parliamentary election in Czechoslovakia and 5 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1991 - 1995 - Croatian War of Independence, 1992 - 1995 Bosnian War

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

21. 8. 1968 - Invasion of the Warsaw Pact troops, 25. 2. 1948 - Communist coup d‘état in ČSR, 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