5. 1. - 21. 8. 1968 - The Prague Spring, Perestroika, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 9.11.1989 - The fall of the Berlin Wall, 3.10.1990 - Reunification of Germany

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 5. 1. - 21. 8. 1968 - The Prague Spring, 31. 12. 1992 Dissolution of Czechoslovakia, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia and 1 more anniversaries

Lviv in the times of the Second World War 1939-1945, 15. 3. 1939 - The Nazi occupation of ČSR, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia and 1 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 31. 12. 1992 Dissolution of Czechoslovakia

5. 1. - 21. 8. 1968 - The Prague Spring, 19. – 21. 11. 1968 – The three-day student strike and other displays of civil r, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 21. – 28.3.1969 – Disorders related to the celebration of Czech hockey team’s, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period and 6 more anniversaries

1989 - Transition in Hungary, 18 December 2011 Václav Havel died

Ukraine in 1990-s., 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 2022 - full scale invasion of Russia into Ukraine, 26 April 1986 - Chernobyl disaster

10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, 25. 2. 1948 - Communist coup d‘état in ČSR, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 1989 - The fall of the iron curtain, 1990 - 1991 - Odsun sovětských vojsk z Československa

23 February 1944 - Deportation of Chechens and Ingushs to Centrall Asia Soviet Republics, 1994 - 1996 - First Chechen war, 1999 - 2009 - Second Chechen war

Cuba after 1959, Cuba after the Death of Fidel Castro