1945 - The liberation of the concentration camps

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1944 - 1945 - The liberation of Czechoslovakia, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, Ukrainian insurgent movement 1930–1950

1. 1. 1977 - Declaration of Chart 77, 1989 - The fall of the iron curtain

1936 - 1938 - Great Terror in the USSR, Lviv in the times of the Second World War 1939-1945

Ukraine in 1990-s., 2014 - first invasion of Russia into Ukraine, 2022 - full scale invasion of Russia into Ukraine

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops

2. 10. 1938 - Poland's annexation of Teschen area, September 1939- occupation of the entire Upper Silesia by Germany, March 1945 - the occupation of Upper Silesia by the Soviet army, 8. 5. 1945 - End of WWII