1. 9. 1939 - The outbreak of the WW2, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 8. 5. 1945 - End of WWII, 1948 - 1955 - Politic lawsuit in the Stalin age, 7.10.1949 - Creation of the German Democratic Republic and 5 more anniversaries

2014 - first invasion of Russia into Ukraine, 2022 - full scale invasion of Russia into Ukraine

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

1936 - 1938 - Great Terror in the USSR, 1989 - The fall of the iron curtain, 2022 - full scale invasion of Russia into Ukraine

2014 - first invasion of Russia into Ukraine, 2022 - full scale invasion of Russia into Ukraine

30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 2022 - full scale invasion of Russia into Ukraine and 1 more anniversaries

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

Ukraine in 1990-s., The Ukrainian declaration of independence in 1991, The Annexation of Crimea (February 2014), 2014 - first invasion of Russia into Ukraine, 2022 - full scale invasion of Russia into Ukraine

Western Ukrainian lands within Poland 1919–1939, 1941-1944 - Nazi occupation of Ukraine, 25. 2. 1948 - Communist coup d‘état in ČSR, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 2 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