8. 5. 1945 - End of WWII, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 1950 - creation of the buffer zone between Czechoslovakia and Western Germany and Austria, 1951 - creation of the restricted border area along the Czechoslovakian border with Western Germany and Austria

30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 8. 5. 1945 - End of WWII

1944 - 1945 - The liberation of Czechoslovakia, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia

25.3.1988 Candle demonstration in Bratislava

23 February 1944 - Deportation of Chechens and Ingushs to Centrall Asia Soviet Republics, 5 January 1957 - Reestablishment of Chechen-Ingush Autonomous Soviet Socialist Republic, Chechen return from deportation, 1994 - 1996 - First Chechen war, 1999 - 2009 - Second Chechen war

Perestroika, Dissolution of the Soviet Union, The Revolution of Dignity (21.11. 2013 – 22.02. 2014), The Annexation of Crimea (February 2014), 2014 - first invasion of Russia into Ukraine and 1 more anniversaries

Perestroika, Ukraine in 1986–1991, Dissolution of the Soviet Union, The Revolution of Dignity (21.11. 2013 – 22.02. 2014), The Annexation of Crimea (February 2014) 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