17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1 November 1955 – 30 April 1975 - Vietnam War

30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia

30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 23. 10. 1956 - Hungarian revolution of 1956 and fightings for independence, 5. 1. - 21. 8. 1968 - The Prague Spring, 1989 - The fall of the iron curtain

30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 8. 5. 1945 - End of WWII, 5. 1. - 21. 8. 1968 - The Prague Spring

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

8. 5. 1945 - End of WWII, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

Vznik nezávislého odborové hnutí Solidarita, Výjimečný stav v Polsku

Protests against Chinese occupation of Tibet in 2008, XXIX. Summer Olympic Games in Beijing 2008

23. 2. 1949 – Beginning the forced agricultural collectivisation, 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