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

25. 2. 1948 - Communist coup d‘état in ČSR, 8. 5. 1945 - End of WWII

21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1948 - 1955 - Politic lawsuit in the Stalin age, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 18. 4. - 10. 5. 1945 - osvobození západní části ČSR americkou armádou and 1 more anniversaries

29. 9. 1938 - The Munich Diktat, 2.11.1938 - First Vienna Award (Hungarian annexation of Carpathian Ruthenia and South Slovakia), 9. - 10. 11. 1938 Crystal Night, 12. 3. 1938 - "Anschluss" of Austria, 14. 3. 1939 – The foundation of the Slovak State and 8 more anniversaries

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

1. 9. 1939 - The outbreak of the WW2, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 8. 5. 1945 - End of WWII

1944 - 1949 Greek civil war, 21. 8. 1968 - Invasion of the Warsaw Pact troops

28.10.194 - 23.4.1941 Greek- Italian war, 6.4. - 23.4.1941 Battle of Greece, 1944 - 1949 Greek civil war, 5. 1. - 21. 8. 1968 - The Prague Spring

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1944 - 1949 Greek civil war, 28.10.194 - 23.4.1941 Greek- Italian war, 6.4. - 23.4.1941 Battle of Greece

1. 1. 1977 - Declaration of Chart 77, 1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia