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

1962 - Cuban Missile Crisis, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation

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, 1989 - The fall of the iron curtain, 1944 - 1945 - The liberation of Czechoslovakia and 3 more anniversaries

1944 - 1945 - The liberation of Czechoslovakia, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain

15. 3. 1939 - The Nazi occupation of ČSR, 18. 4. - 10. 5. 1945 - osvobození západní části ČSR americkou armádou, 30. 5. 1945 – 29. 10. 1946 - Withdrawal of Germans from Czechoslovakia, 1948 - 1955 - Politic lawsuit in the Stalin age, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 1 more anniversaries

1944 - 1945 - The liberation of Czechoslovakia, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 29. 9. 1938 - The Munich Diktat, 25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 1 more anniversaries

8. 5. 1945 - End of WWII, 21. 8. 1968 - Invasion of the Warsaw Pact troops

19. – 21. 11. 1968 – The three-day student strike and other displays of civil r, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops

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, 25. 2. 1948 - Communist coup d‘état in ČSR and 1 more anniversaries

29. 8. 1944 - April 1945 - The Slovak National Uprising, 21. 8. 1968 - Invasion of the Warsaw Pact troops