13. – 14. 4. 1950 – "Action K" – forceful concentration of Czech monks, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

1951 - creation of the restricted border area along the Czechoslovakian border with Western Germany and Austria

25. 2. 1948 - Communist coup d‘état in ČSR

8. 5. 1945 - End of WWII, 1944 - 1945 - The liberation of Czechoslovakia, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 25. 2. 1948 - Communist coup d‘état in ČSR

1948 - 1955 - Politic lawsuit in the Stalin age, 19. 6. – 23. 6. 1948 – The Sokol Gathering

1948 - 1955 - Politic lawsuit in the Stalin age, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 5. 1. - 21. 8. 1968 - The Prague Spring, 1989 - The fall of the iron curtain

25. 2. 1948 - Communist coup d‘état in ČSR

10. 6. 1942 – Destruction of Lidice, 27. 5. 1942 - Assassination of R. Heydrich, 1944 - 1945 - The liberation of Czechoslovakia

1. 9. 1939 - The outbreak of the WW2, 23. 10. 1956 - Hungarian revolution of 1956 and fightings for independence, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 31. 12. 1992 Dissolution of Czechoslovakia