29. 9. 1938 - The Munich Diktat, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1944 - 1945 - The liberation of Czechoslovakia, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia and 2 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 23. 2. 1949 – Beginning the forced agricultural collectivisation

1944 - 1945 - The liberation of Czechoslovakia, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 8. 5. 1945 - End of WWII

17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 31. 12. 1992 Dissolution of Czechoslovakia

1944 - 1945 - The liberation of Czechoslovakia, 14. 3. 1939 – The foundation of the Slovak State, 10. 6. 1942 – Destruction of Lidice

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

Western Ukrainian lands within Poland 1919–1939, 17.9.1939 - Soviet invasion of Poland , 1941-1944 - Nazi occupation of Ukraine, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 1943 - Conflict between Poles and Ukrainians in Eastern Galicia and Volhynia and 1 more anniversaries

1. 9. 1939 - The outbreak of the WW2, 8 January 1941 - 27 January 1944 Siege of Leningrad, 1944 - 1945 - The liberation of Czechoslovakia, 23. 2. 1949 – Beginning the forced agricultural collectivisation

29. 9. 1938 - The Munich Diktat, 1. 9. 1939 - The outbreak of the WW2, 1944 - 1945 - The liberation of Czechoslovakia, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 23. 2. 1949 – Beginning the forced agricultural collectivisation and 1 more anniversaries