1. 9. 1939 - The outbreak of the WW2, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1944 - 1945 - The liberation of Czechoslovakia, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR

1. 9. 1939 - The outbreak of the WW2, 1944 - 1945 - The liberation of Czechoslovakia, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 8. 3. 1943 - The battle of Sokolovo, 3. - 6. 11. 1943 - Battle of Kiev

29. 8. 1944 - April 1945 - The Slovak National Uprising, 1944 - 1945 - The liberation of Czechoslovakia

29. 9. 1938 - The Munich Diktat, 1. 9. 1939 - The outbreak of the WW2, 2.11.1938 - First Vienna Award (Hungarian annexation of Carpathian Ruthenia and South Slovakia)

1. 9. 1939 - The outbreak of the WW2, 25. 2. 1948 - Communist coup d‘état in ČSR, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1944 - 1945 - The liberation of Czechoslovakia, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR and 2 more anniversaries

29. 8. 1944 - April 1945 - The Slovak National Uprising, 25. 2. 1948 - Communist coup d‘état in ČSR, 1989 - The fall of the iron curtain, 14. 3. 1939 – The foundation of the Slovak State, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia and 2 more anniversaries

8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1944 - 1945 - The liberation of Czechoslovakia, 1. – 2. 1. 1944 - Battle of Biela Cerkov, 29. 6. 1945 – Withdrawal from the Carpatho-Russia in favour of the USSR, 3. - 6. 11. 1943 - Battle of Kiev and 1 more anniversaries

29. 8. 1944 - April 1945 - The Slovak National Uprising, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1944 - 1945 - The liberation of Czechoslovakia, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 23. 2. 1949 – Beginning the forced agricultural collectivisation and 3 more anniversaries

1. 9. 1939 - The outbreak of the WW2, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1944 - 1945 - The liberation of Czechoslovakia, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR and 1 more anniversaries

25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1948 - 1955 - Politic lawsuit in the Stalin age, 21. 6. 1949 – Execution of General Heliodor Píka, 1932 - 1933 - Holodomor - Great famine in Ukraine and 6 more anniversaries