21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

29. 9. 1938 - The Munich Diktat, 1. 9. 1939 - The outbreak of the WW2, 27. 5. 1942 - Assassination of R. Heydrich, 1944 - 1945 - The liberation of Czechoslovakia, 14. 2. 1945 - Bombing of Prague and 8 more anniversaries

30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval

2.11.1938 - First Vienna Award (Hungarian annexation of Carpathian Ruthenia and South Slovakia), 21. 8. 1968 - Invasion of the Warsaw Pact troops

21. 8. 1968 - Invasion of the Warsaw Pact troops, 16. 1. 1969 – Jan Palach´s self-immolation , 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

2014 - first invasion of Russia into Ukraine, 2022 - full scale invasion of Russia into Ukraine, Perestroika, The Revival of Ukrainian national culture 1989 - 1991, Ukraine in 1990-s. and 2 more anniversaries

Perestroika, Dissolution of the Soviet Union, The Annexation of Crimea (February 2014), 2022 - full scale invasion of Russia into Ukraine

8. 5. 1945 - End of WWII, 1941-1944 - Nazi occupation of Ukraine, 1939 - 1941 - The first Soviet occupation of Galicia, The Orange Revolution of 2004, The Revival of Ukrainian national culture 1989 - 1991 and 2 more anniversaries

Ukraine in 1990-s., 23. 10. 1956 - Hungarian revolution of 1956 and fightings for independence, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, Ukraine in 1986–1991 and 2 more anniversaries

2014 - first invasion of Russia into Ukraine, 2022 - full scale invasion of Russia into Ukraine, The Orange Revolution of 2004, The Revolution of Dignity (21.11. 2013 – 22.02. 2014), Ukraine in 1990-s.