8. 5. 1945 - End of WWII, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 5. 1. - 21. 8. 1968 - The Prague Spring, 1945 - 1948 - First renewal of Junák, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

21. 8. 1968 - Invasion of the Warsaw Pact troops, 25. 1. 1969 Jan Palach´s funeral, 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, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

1968 - 1970 - Second renewal of Junák, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

23. 2. 1949 – Beginning the forced agricultural collectivisation, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

26 April 1986 - Chernobyl disaster, Perestroika, The Orange Revolution of 2004, The Revolution of Dignity (21.11. 2013 – 22.02. 2014), 2022 - full scale invasion of Russia into Ukraine

2022 - full scale invasion of Russia into Ukraine, The Orange Revolution of 2004, The Revolution of Dignity (21.11. 2013 – 22.02. 2014), 2014 - first invasion of Russia into Ukraine