21. 8. 1968 - Invasion of the Warsaw Pact troops, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR

1941-1944 - Nazi occupation of Ukraine, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 1944 - 1945 - The liberation of Czechoslovakia, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval and 2 more anniversaries

Ukraine in 1986–1991, Arrests in Western Ukraine 1949-1950, 2014 - first invasion of Russia into Ukraine, 2022 - full scale invasion of Russia into Ukraine

29. 8. 1944 - April 1945 - The Slovak National Uprising, 1. 9. 1939 - The outbreak of the WW2, 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

Dissolution of the Soviet Union, 2. 3. - 21. 7. 1992 - Konflikt v Podněstří

7. 11. 1917 - October Revolution in Russia, 15. 3. 1939 - The Nazi occupation of ČSR, 1941 - 1945 - Transports to the concentration camps, 25. 2. 1948 - Communist coup d‘état in ČSR, 14. 3. 1953 – Klement Gottwald’s death

1932 - 1933 - Holodomor - Great famine in Ukraine, 8. 5. 1945 - End of WWII, 1936 - 1938 - Great Terror in the USSR

1936 - 1938 - Great Terror in the USSR

25.3.1988 Candle demonstration in Bratislava, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 17. 11. 1989 - Demonstration at Národní třída, 29. 6. 1989 – Zveřejnění manifestu Několik vět and 3 more anniversaries

Western Ukrainian lands within Poland 1919–1939, Ukrainian insurgent movement 1930–1950, 17.9.1939 - Soviet invasion of Poland , 13. 7. 1943 - Destroying of Český Malín, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR and 3 more anniversaries