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

22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR

1944 - 1945 - The liberation of Czechoslovakia

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

26 April 1986 - Chernobyl disaster, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1940 Katyn massacre, 8. 5. 1945 - End of WWII, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period and 5 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 13. 7. 1943 - Destroying of Český Malín, Ukraine in 1986–1991, 26 April 1986 - Chernobyl disaster

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

21. 8. 1968 - Invasion of the Warsaw Pact troops, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 17.9.1939 - Soviet invasion of Poland , Western Ukrainian lands within Poland 1919–1939, Ukrainian insurgent movement 1930–1950 and 3 more anniversaries