University professor

2014 - first invasion of Russia into Ukraine, 2022 - full scale invasion of Russia into Ukraine, Perestroika, The Revival of Ukrainian national culture 1989 - 1991, Ukraine in 1990-s. and 2 more anniversaries

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

8. 5. 1945 - End of WWII, 1941-1944 - Nazi occupation of Ukraine, 1939 - 1941 - The first Soviet occupation of Galicia, The Orange Revolution of 2004, The Revival of Ukrainian national culture 1989 - 1991 and 2 more anniversaries

Ukraine in 1990-s., 23. 10. 1956 - Hungarian revolution of 1956 and fightings for independence, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, Ukraine in 1986–1991 and 2 more anniversaries

2014 - first 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), Ukraine in 1990-s.

Ukraine in 1990-s., The Orange Revolution of 2004, The Revolution of Dignity (21.11. 2013 – 22.02. 2014), 2014 - first invasion of Russia into Ukraine, 2022 - full scale invasion of Russia into Ukraine

2022 - full scale invasion of Russia into Ukraine, 26 April 1986 - Chernobyl disaster, The Orange Revolution of 2004, The Revival of Ukrainian national culture 1989 - 1991