1989 - The fall of the iron curtain, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 25.3.1988 Candle demonstration in Bratislava, 13. – 14. 4. 1950 – "Action K" – forceful concentration of Czech monks and 4 more anniversaries

25. 2. 1948 - Communist coup d‘état in ČSR, 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, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass and 10 more anniversaries

21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 1. 1. 1977 - Declaration of Chart 77, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

5. – 9. 5. 1945 - Prague Uprising, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

21. 8. 1968 - Invasion of the Warsaw Pact troops

Bay of Pigs Invasion, Cuba after 1959, Cuba before 1959, Dictatorship of Fulgencio Batista in Cuba, Triumph of the Revolution (Cuba)

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain

1941 - 1945 - Transports to the concentration camps, 1948 - 1955 - Politic lawsuit in the Stalin age, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 22. 8. 1968 – Extraordinary congress (the “Vysočany Congress”) of KSČ and 4 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1. 1. 1977 - Declaration of Chart 77, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

Black Spring of Cuba 2003, Cuba after 1959