26 April 1986 - Chernobyl disaster

1944 - 1945 - The liberation of Czechoslovakia

10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops

1. 9. 1939 - The outbreak of the WW2, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 13. 7. 1943 - Destroying of Český Malín, 1944 - 1945 - The liberation of Czechoslovakia, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass and 2 more anniversaries

1941-1944 - Nazi occupation of Ukraine, Ukraine in 1986–1991, 1943 - Conflict between Poles and Ukrainians in Eastern Galicia and Volhynia, 26 April 1986 - Chernobyl disaster

1. 9. 1939 - The outbreak of the WW2, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 13. 7. 1943 - Destroying of Český Malín, 1944 - 1945 - The liberation of Czechoslovakia, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass and 2 more anniversaries

8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1944 - 1945 - The liberation of Czechoslovakia, 1989 - The fall of the iron curtain, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, 13. 7. 1943 - Destroying of Český Malín

10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops

7. 11. 1917 - October Revolution in Russia, Deportations to the Far East, Siberia and North Kazachstan 1939–1941 and 1944–1950, 3.9.1942 - 2.2.1943 Battle of Stalingrad, 8. 5. 1945 - End of WWII, March 5th, 1953 - Death of Josif V. Stalin

1. 9. 1939 - The outbreak of the WW2, 1944 - 1945 - The liberation of Czechoslovakia, 1941 - 1945 - Transports to the concentration camps