Holocaust

1. 9. 1939 - The outbreak of the WW2, 1941 - 1945 - Transports to the concentration camps, 1945 - The liberation of the concentration camps, 21. 8. 1968 - Invasion of the Warsaw Pact troops

1941 - 1945 - Transports to the concentration camps, 1945 - The liberation of the concentration camps

21. 8. 1968 - Invasion of the Warsaw Pact troops, Palach Week, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 17. 11. 1989 - Demonstration at Národní třída, 18 December 2011 Václav Havel died

14. 3. 1939 – The foundation of the Slovak State, 15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 1944 - 1945 - The liberation of Czechoslovakia, 29. 8. 1944 - April 1945 - The Slovak National Uprising and 5 more anniversaries

2.11.1938 - First Vienna Award (Hungarian annexation of Carpathian Ruthenia and South Slovakia), 1. 9. 1939 - The outbreak of the WW2, 1941 - 1945 - Transports to the concentration camps, 1945 - The liberation of the concentration camps

1941 - 1945 - Transports to the concentration camps, 1945 - The liberation of the concentration camps

8. 5. 1945 - End of WWII

Ukraine in 1990-s., Perestroika, 2022 - full scale invasion of Russia into Ukraine