6.-13. 12. 1980 Operation Krkonoše

21. 8. 1968 - Invasion of the Warsaw Pact troops, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation, 6.-13. 12. 1980 Operation Krkonoše, 26.8. 1980 Solidarity strike in Wroclaw , 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

6.-13. 12. 1980 Operation Krkonoše

6.-13. 12. 1980 Operation Krkonoše, 5. 1. - 21. 8. 1968 - The Prague Spring, 1. 1. 1977 - Declaration of Chart 77, 31. 12. 1992 Dissolution of Czechoslovakia, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia and 1 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 6.-13. 12. 1980 Operation Krkonoše

21. 8. 1968 - Invasion of the Warsaw Pact troops, 6.-13. 12. 1980 Operation Krkonoše, 1989 - The fall of the iron curtain

6.-13. 12. 1980 Operation Krkonoše

1968 - 1970 - Second renewal of Junák, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 6.-13. 12. 1980 Operation Krkonoše, 1989 - Third renewal of Junák, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia