Ukraine

26 April 1986 - Chernobyl disaster, The Revival of Ukrainian national culture 1989 - 1991, The Ukrainian declaration of independence in 1991, The Revolution on Granite in Ukraine. 2.10.1990 – 17.10.1990, Dissolution of the Soviet Union and 6 more anniversaries

Perestroika, The 1991 referendum in Ukraine, Dissolution of the Soviet Union, 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., Perestroika, 26 April 1986 - Chernobyl disaster, The Revival of Ukrainian national culture 1989 - 1991, The Orange Revolution of 2004 and 2 more anniversaries

Ukraine in 1990-s., 2014 - first invasion of Russia into Ukraine, 2022 - full scale invasion of Russia into Ukraine

1944 - 1947 - Population Transfers from the Ukrainian - Polish Borderlands

Ukraine in 1990-s., Ukraine in 1986–1991, The Revival of Ukrainian national culture 1989 - 1991, The Ukrainian declaration of independence in 1991, The Revolution of Dignity (21.11. 2013 – 22.02. 2014) and 3 more anniversaries

Ukraine in 1990-s., Perestroika, Ukraine in 1986–1991, The Miners' protests in Ukraine (1989-1996), Dissolution of the Soviet Union and 3 more anniversaries

Ukraine in 1990-s., Perestroika, Ukraine in 1986–1991, The Revolution of Dignity (21.11. 2013 – 22.02. 2014), The Annexation of Crimea (February 2014) and 2 more anniversaries