PTP (Auxiliary Technical Battalions)

29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR

25. 2. 1948 - Communist coup d‘état in ČSR, 1944 - 1945 - The liberation of Czechoslovakia, 23. 2. 1949 – Beginning the forced agricultural collectivisation

1. 1. 1977 - Declaration of Chart 77

1948 - 1955 - Politic lawsuit in the Stalin age, 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, 25. 2. 1948 - Communist coup d‘état in ČSR

27. 5. 1942 - Assassination of R. Heydrich, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 25. 2. 1948 - Communist coup d‘état in ČSR, 8. 5. 1945 - End of WWII, 29. 9. 1938 - The Munich Diktat and 10 more anniversaries

15. 3. 1939 - The Nazi occupation of ČSR, 8. 5. 1945 - End of WWII

1944 - 1945 - The liberation of Czechoslovakia, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 29. 8. 1944 - April 1945 - The Slovak National Uprising

15. 3. 1939 - The Nazi occupation of ČSR, 25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 1944 - 1945 - The liberation of Czechoslovakia and 1 more anniversaries

14. 3. 1939 – The foundation of the Slovak State, 1944 - 1945 - The liberation of Czechoslovakia, 29. 8. 1944 - April 1945 - The Slovak National Uprising, 25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 3 more anniversaries