26 April 1986 - Chernobyl disaster

26 April 1986 - Chernobyl disaster, 8. 5. 1945 - End of WWII

26 April 1986 - Chernobyl disaster, 1989 - The fall of the iron curtain, 12 November 1989 - Canonization of Agnes of Bohemia, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

21. 8. 1968 - Invasion of the Warsaw Pact troops, 26 April 1986 - Chernobyl disaster

5. 1. - 21. 8. 1968 - The Prague Spring, 26 April 1986 - Chernobyl disaster, Dissolution of the Soviet Union, Ukraine in 1990-s., The Orange Revolution of 2004 and 1 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1979 - 1989 - Sovětská invaze do Afghánistánu, 26 April 1986 - Chernobyl disaster

Perestroika, 26 April 1986 - Chernobyl disaster

21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 31. 12. 1992 Dissolution of Czechoslovakia, 17. 11. 1939 – Closure of Czech universities and 20 more anniversaries

26 April 1986 - Chernobyl disaster, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

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 , 25. 1. 1969 Jan Palach´s funeral, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period and 1 more anniversaries

25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1944 - 1945 - The liberation of Czechoslovakia, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 26 April 1986 - Chernobyl disaster