5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 16. 1. 1969 – Jan Palach´s self-immolation , 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation, 1. 1. 1977 - Declaration of Chart 77 and 2 more anniversaries

1. 1. 1977 - Declaration of Chart 77, 28. 1. 1977 - The “Anti-Charter”

5. 1. - 21. 8. 1968 - The Prague Spring, 8. 5. 1945 - End of WWII

5. – 9. 5. 1945 - Prague Uprising, 1. 1. 1977 - Declaration of Chart 77, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period

17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 21. 8. 1968 - Invasion of the Warsaw Pact troops

20. 7. 1936 - 1. 9. 1939 - civil war in Spain, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period

10. 6. 1942 – Destruction of Lidice, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

Ukraine in 1990-s., The Revolution of Dignity (21.11. 2013 – 22.02. 2014), 2014 - first invasion of Russia into Ukraine, 2022 - full scale invasion of Russia into Ukraine

Ukraine in 1990-s., Perestroika, 26 April 1986 - Chernobyl disaster, The Revival of Ukrainian national culture 1989 - 1991, The Orange Revolution of 2004 and 2 more anniversaries