15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 1948 - 1955 - Politic lawsuit in the Stalin age, 14. 3. 1939 – The foundation of the Slovak State

29. 8. 1944 - April 1945 - The Slovak National Uprising, 25. 2. 1948 - Communist coup d‘état in ČSR, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1944 - 1945 - The liberation of Czechoslovakia, 14. 3. 1939 – The foundation of the Slovak State and 2 more anniversaries

29. 9. 1938 - The Munich Diktat, 1. 9. 1939 - The outbreak of the WW2, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia

29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 1944 - 1945 - The liberation of Czechoslovakia

29. 9. 1938 - The Munich Diktat, 5. – 9. 5. 1945 - Prague Uprising, 25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

2022 - full scale invasion of Russia into Ukraine, 26 April 1986 - Chernobyl disaster, Dissolution of the Soviet Union, 1932 - 1933 - Holodomor - Great famine in Ukraine, 1941-1944 - Nazi occupation of Ukraine and 8 more anniversaries

1936 - 1938 - Great Terror in the USSR