5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1. 1. 1977 - Declaration of Chart 77, 9.11.1989 - The fall of the Berlin Wall, 17.6.1953 - Uprising of 1953 in East Germany and 2 more anniversaries

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 26.8.-11.9.1972 - Summer Games of the XX Olympiad , Munich , Games of the XXIII Olympiad, 9.11.1989 - The fall of the Berlin Wall and 2 more anniversaries

1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 3.10.1990 - Reunification of Germany

13.8.1961 - Building of the Berlin Wall, 1989 - The fall of the iron curtain, 9.11.1989 - The fall of the Berlin Wall, 3.10.1990 - Reunification of Germany

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 3.10.1990 - Reunification of Germany

1945 - 1947 Expulsion of Germans from former German East territories, 7.10.1949 - Creation of the German Democratic Republic, 17.6.1953 - Uprising of 1953 in East Germany, 1989 - The fall of the iron curtain, 3.10.1990 - Reunification of Germany

17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 3.10.1990 - Reunification of Germany

30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 1989 - The fall of the iron curtain, 3.10.1990 - Reunification of Germany