PTP (Auxiliary Technical Battalions)

1945 - 1947 Expulsion of Germans from former German East territories, 30. 5. 1945 – 29. 10. 1946 - Withdrawal of Germans from Czechoslovakia, 13. – 14. 4. 1950 – "Action K" – forceful concentration of Czech monks, 9. 5. 1960 - Amnesty of political prisoners, 5. 1. - 21. 8. 1968 - The Prague Spring and 1 more anniversaries

13. – 14. 4. 1950 – "Action K" – forceful concentration of Czech monks, 8. 5. 1945 - End of WWII

1948 - 1955 - Politic lawsuit in the Stalin age, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 29. 9. 1938 - The Munich Diktat and 2 more anniversaries

1. 9. 1939 - The outbreak of the WW2, 1944 - 1945 - The liberation of Czechoslovakia, Battle of the Bulge, 15. 3. 1939 - The Nazi occupation of ČSR, 5. 1. - 21. 8. 1968 - The Prague Spring and 2 more anniversaries

1944 - 1945 - The liberation of 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

2. 10. 1938 - Poland's annexation of Teschen area, 15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 6. 6. 1944 - Overlord

1944 - 1945 - The liberation of Czechoslovakia, 1948 - 1955 - Politic lawsuit in the Stalin age, 17.4.-19.11. 1958 - EXPO 58

13. – 14. 4. 1950 – "Action K" – forceful concentration of Czech monks, 9. 5. 1960 - Amnesty of political prisoners

30. 5. 1945 – 29. 10. 1946 - Withdrawal of Germans from Czechoslovakia, 1948 - 1955 - Politic lawsuit in the Stalin age, 11. 12. 1949 – The “Čihošť Miracle”, 13. – 14. 4. 1950 – "Action K" – forceful concentration of Czech monks