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, 8. 5. 1945 - End of WWII, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 25. 1. 1969 Jan Palach´s funeral

21. 8. 1968 - Invasion of the Warsaw Pact troops, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval

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

25. 2. 1948 - Communist coup d‘état in ČSR, 13. – 14. 4. 1950 – "Action K" – forceful concentration of Czech monks, 21. 8. 1968 - Invasion of the Warsaw Pact troops

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

6.4. - 23.4.1941 Battle of Greece, 1944 - 1949 Greek civil war, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain

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

23. 3. 1945 Bombing of České Budějovice, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 25. 2. 1948 - Communist coup d‘état in ČSR, 8. 5. 1945 - End of WWII, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

21. 8. 1968 - Invasion of the Warsaw Pact troops, Games of the XXIII Olympiad, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

21. 8. 1968 - Invasion of the Warsaw Pact troops, 16. 1. 1969 – Jan Palach´s self-immolation , 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia