Ukraine

7. 11. 1917 - October Revolution in Russia, Western Ukrainian lands within Poland 1919–1939, Ukrainian youth organizations in Poland 1920-1939, School education in Halychyna 1930-1939, 1941-1944 - Nazi occupation of Ukraine and 1 more anniversaries

Ukraine in 1986–1991, Dissolution of the Soviet Union, Perestroika, The Revival of Ukrainian national culture 1989 - 1991, 2014 - first invasion of Russia into Ukraine

Ukraine in 1990-s., The Ukrainian declaration of independence in 1991, 2014 - first invasion of Russia into Ukraine, 2022 - full scale invasion of Russia into Ukraine

Ukraine in 1990-s., The Khrushchev Thaw 1953 – 1964, Ukraine in 1986–1991, 2022 - full scale invasion of Russia into Ukraine

Ukraine in 1990-s., Perestroika, The Orange Revolution of 2004, The Revolution of Dignity (21.11. 2013 – 22.02. 2014)

Ukraine in 1990-s., The Ukrainian declaration of independence in 1991, The Orange Revolution of 2004, The Revolution of Dignity (21.11. 2013 – 22.02. 2014), 2014 - first invasion of Russia into Ukraine and 1 more anniversaries

Ukraine in 1990-s., The Ukrainian declaration of independence in 1991, The 1991 referendum in Ukraine, The Orange Revolution of 2004, The Revolution of Dignity (21.11. 2013 – 22.02. 2014) and 3 more anniversaries

1. 9. 1939 - The outbreak of the WW2