Akce P - likvidácia gréckokatolíckej cirkvi v Československu, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

1948 - 1955 - Politic lawsuit in the Stalin age, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 16. 1. 1969 – Jan Palach´s self-immolation , 25. 1. 1969 Jan Palach´s funeral, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period and 2 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 5. – 9. 5. 1945 - Prague Uprising

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

2022 - full scale invasion of Russia into Ukraine

2022 - full scale invasion of Russia into Ukraine, Dissolution of the Soviet Union, The Ukrainian declaration of independence in 1991