1. 9. 1939 - The outbreak of the WW2

1940 - 1941 - Deportations of Poles to USSR

30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia

14. 2. 1945 - Bombing of Prague , 21. 8. 1968 - Invasion of the Warsaw Pact troops, 5. – 9. 5. 1945 - Prague Uprising, 7. 11. 1917 - October Revolution in Russia, 1945 - Arrests of Russian émigrés by the agents of SMERSH

29. 9. 1938 - The Munich Diktat, 2.11.1938 - First Vienna Award (Hungarian annexation of Carpathian Ruthenia and South Slovakia), 1944 - 1945 - The liberation of Czechoslovakia, 8. 5. 1945 - End of WWII, 29. 6. 1945 – Withdrawal from the Carpatho-Russia in favour of the USSR

8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1944 - 1945 - The liberation of Czechoslovakia, 13. 7. 1943 - Destroying of Český Malín

1989 - The fall of the iron curtain, 31. 12. 1992 Dissolution of Czechoslovakia