14. 3. 1953 – Klement Gottwald’s death, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 1989 - The fall of the iron curtain and 4 more anniversaries

31. 5. – 8. 6. 1950 – Milada Horáková’s trial, 1968 - 1970 - Second renewal of Junák, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 21. – 28.3.1969 – Disorders related to the celebration of Czech hockey team’s and 13 more anniversaries

Perestroika, First Nagorno-Karabakh War, Dissolution of the Soviet Union

Perestroika, First Nagorno-Karabakh War, Dissolution of the Soviet Union

14. 3. 1939 – The foundation of the Slovak State, 1. 9. 1939 - The outbreak of the WW2, 1941 - 1945 - Transports to the concentration camps, 1944 - 1945 - The liberation of Czechoslovakia, 29. 8. 1944 - April 1945 - The Slovak National Uprising and 18 more anniversaries

Dissolution of the Soviet Union

Ukraine in 1990-s., Western Ukrainian lands within Poland 1919–1939, Ukrainian insurgent movement 1930–1950, 1932 - 1933 - Holodomor - Great famine in Ukraine, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 8 more anniversaries

Perestroika, Dissolution of the Soviet Union

10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, Dissolution of the Soviet Union

Dissolution of the Soviet Union, 25. 2. 1948 - Communist coup d‘état in ČSR, 8. 5. 1945 - End of WWII, 1948 - 1955 - Politic lawsuit in the Stalin age, 5. 1. - 21. 8. 1968 - The Prague Spring and 2 more anniversaries