21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 5. 1. - 21. 8. 1968 - The Prague Spring, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

21. 8. 1968 - Invasion of the Warsaw Pact troops, 25. 2. 1948 - Communist coup d‘état in ČSR, 8. 5. 1945 - End of WWII, 13. 8. – 31. 10. 1940 - The Battle of Britain, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation and 8 more anniversaries

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

15. 3. 1939 - The Nazi occupation of ČSR, 25. 2. 1948 - Communist coup d‘état in ČSR

Perestroika, 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, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 8. 3. 1943 - The battle of Sokolovo, 1948 – Action "DI" (Confidential: Israel)

8. 5. 1945 - End of WWII

1989 - The fall of the iron curtain

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