8 January 1941 - 27 January 1944 Siege of Leningrad

21. 8. 1968 - Invasion of the Warsaw Pact troops, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 7. 11. 1917 - October Revolution in Russia, 8 January 1941 - 27 January 1944 Siege of Leningrad

22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 8 January 1941 - 27 January 1944 Siege of Leningrad, 1944 - 1945 - The liberation of Czechoslovakia, 25 December 1944 - 13 February 1945 Siege of Budapest, 5. – 9. 5. 1945 - Prague Uprising and 2 more anniversaries

8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, 8. 5. 1945 - End of WWII, 8 January 1941 - 27 January 1944 Siege of Leningrad and 3 more anniversaries

8 January 1941 - 27 January 1944 Siege of Leningrad, 5. 1. - 21. 8. 1968 - The Prague Spring

7. 11. 1917 - October Revolution in Russia, Deportations to the Far East, Siberia and North Kazachstan 1939–1941 and 1944–1950, 8 January 1941 - 27 January 1944 Siege of Leningrad, 8. 5. 1945 - End of WWII, 21. 8. 1968 - Invasion of the Warsaw Pact troops

25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1948 - 1955 - Politic lawsuit in the Stalin age, 21. 6. 1949 – Execution of General Heliodor Píka, 1932 - 1933 - Holodomor - Great famine in Ukraine and 6 more anniversaries

1932 - 1933 - Holodomor - Great famine in Ukraine, 8 January 1941 - 27 January 1944 Siege of Leningrad, 1944 - 1945 - The liberation of Czechoslovakia, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, Ukraine in 1986–1991 and 2 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1948 - 1955 - Politic lawsuit in the Stalin age, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 8 January 1941 - 27 January 1944 Siege of Leningrad, 1936 - 1938 - Velký teror v SSSR and 1 more anniversaries

29. 9. 1938 - The Munich Diktat, 14. 3. 1939 – The foundation of the Slovak State, 15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 13. 8. – 31. 10. 1940 - The Battle of Britain and 19 more anniversaries

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 8 January 1941 - 27 January 1944 Siege of Leningrad