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

1951 - Deportation from Banat to Baragan (Romania), 16. 12. 1989 - 24-25. 12. 1989 - The Romanian revolution, 1948 - 1955 - Tito - Stalin split

21. 8. 1968 - Invasion of the Warsaw Pact troops, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia

29. 8. 1944 - April 1945 - The Slovak National Uprising, 25. 2. 1948 - Communist coup d‘état in ČSR, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1944 - 1945 - The liberation of Czechoslovakia, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR and 3 more anniversaries

8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1944 - 1945 - The liberation of Czechoslovakia, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR

Western Ukrainian lands within Poland 1919–1939, 1941-1944 - Nazi occupation of Ukraine, 1943 - Conflict between Poles and Ukrainians in Eastern Galicia and Volhynia, 1944 - 1947 - Population Transfers from the Ukrainian - Polish Borderlands, 23. 2. 1949 – Beginning the forced agricultural collectivisation and 1 more anniversaries

1. 9. 1939 - The outbreak of the WW2, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1944 - 1945 - The liberation of Czechoslovakia, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR

8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1944 - 1945 - The liberation of Czechoslovakia

21. 8. 1968 - Invasion of the Warsaw Pact troops, 26 April 1986 - Chernobyl disaster

1951 - Deportation from Banat to Baragan (Romania), 16. 12. 1989 - 24-25. 12. 1989 - The Romanian revolution, Reemigration of Czechs and Slovaks from Romania to Czechoslovakia (1945 - 1949)