PTP (Auxiliary Technical Battalions)

21. 8. 1968 - Invasion of the Warsaw Pact troops, 25. 2. 1948 - Communist coup d‘état in ČSR, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR and 6 more anniversaries

25. 2. 1948 - Communist coup d‘état in ČSR, 5. 1. - 21. 8. 1968 - The Prague Spring, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1944 - 1945 - The liberation of Czechoslovakia, 1948 - 1955 - Politic lawsuit in the Stalin age and 7 more anniversaries

13. – 14. 4. 1950 – "Action K" – forceful concentration of Czech monks, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1944 - 1945 - The liberation of Czechoslovakia

29. 9. 1938 - The Munich Diktat, 1945 - 1948 - First renewal of Junák, 25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops

15. 3. 1939 - The Nazi occupation of ČSR, 18. 4. - 10. 5. 1945 - osvobození západní části ČSR americkou armádou, 8. 5. 1945 - End of WWII, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 1 more anniversaries

29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 1944 - 1945 - The liberation of Czechoslovakia, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 25. 2. 1948 - Communist coup d‘état in ČSR and 2 more anniversaries

September 1939- occupation of the entire Upper Silesia by Germany, 1945 - 1947 Expulsion of Germans from former German East territories, March 1945 - the occupation of Upper Silesia by the Soviet army, 8. 5. 1945 - End of WWII

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, 1989 - The fall of the iron curtain, 13. – 14. 4. 1950 – "Action K" – forceful concentration of Czech monks, 8. 5. 1945 - End of WWII