21. 8. 1968 - Invasion of the Warsaw Pact troops, 6.-13. 12. 1980 Operation Krkonoše, 1989 - The fall of the iron curtain

1944 - 1945 - The liberation of Czechoslovakia, 1948 - 1955 - Politic lawsuit in the Stalin age, 21. 8. 1968 - Invasion of the Warsaw Pact troops

The Revival of Ukrainian national culture 1989 - 1991, The Ukrainian declaration of independence in 1991, The Orange Revolution of 2004, The Revolution of Dignity (21.11. 2013 – 22.02. 2014), 2014 - first invasion of Russia into Ukraine and 1 more anniversaries

Ukraine in 1990-s., 1979 - 1989 - Sovětská invaze do Afghánistánu, Perestroika, The Revolution of Dignity (21.11. 2013 – 22.02. 2014), 2014 - first invasion of Russia into Ukraine and 1 more anniversaries