Russia

22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1979 - 1989 - Sovětská invaze do Afghánistánu, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia and 3 more anniversaries

17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1990 - 1991 - Odsun sovětských vojsk z Československa

23 February 1944 - Deportation of Chechens and Ingushs to Centrall Asia Soviet Republics, 5 January 1957 - Reestablishment of Chechen-Ingush Autonomous Soviet Socialist Republic, Chechen return from deportation, 1994 - 1996 - First Chechen war, 1999 - 2009 - Second Chechen war

Perestroika, Dissolution of the Soviet Union, The Annexation of Crimea (February 2014), 2022 - full scale invasion of Russia into Ukraine

1990 - 1991 - Odsun sovětských vojsk z Československa, 21. 8. 1968 - Invasion of the Warsaw Pact troops

Perestroika

23 February 1944 - Deportation of Chechens and Ingushs to Centrall Asia Soviet Republics, 1994 - 1996 - First Chechen war, 1999 - 2009 - Second Chechen war

Perestroika