2022 - full scale invasion of Russia into Ukraine, 26 April 1986 - Chernobyl disaster, The Orange Revolution of 2004, 2014 - first invasion of Russia into Ukraine, Ukraine in 1990-s.

2022 - full scale invasion of Russia into Ukraine, 26 April 1986 - Chernobyl disaster, March 5th, 1953 - Death of Josif V. Stalin, The Revolution of Dignity (21.11. 2013 – 22.02. 2014), Ukraine in 1990-s.

Perestroika, 26 April 1986 - Chernobyl disaster, 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

26 April 1986 - Chernobyl disaster, Perestroika, The Orange Revolution of 2004, The Revolution of Dignity (21.11. 2013 – 22.02. 2014), 2022 - full scale invasion of Russia into Ukraine

Ukraine in 1990-s., The Repressions of the totalitarian regime in the 1970s in Ukraine, Perestroika, Ukraine in 1986–1991, 26 April 1986 - Chernobyl disaster and 5 more anniversaries

2022 - full scale invasion of Russia into Ukraine, 26 April 1986 - Chernobyl disaster, Dissolution of the Soviet Union, 1932 - 1933 - Holodomor - Great famine in Ukraine, 1941-1944 - Nazi occupation of Ukraine and 8 more anniversaries

Ukraine in 1990-s., Ukrainian student discontent (1980 - 1990), Perestroika, 26 April 1986 - Chernobyl disaster, The Orange Revolution of 2004 and 1 more anniversaries

Ukraine in 1990-s., Perestroika, Ukraine in 1986–1991, 26 April 1986 - Chernobyl disaster, The 1991 referendum in Ukraine and 2 more anniversaries

Ukraine in 1990-s., The Khrushchev Thaw 1953 – 1964, Perestroika, 26 April 1986 - Chernobyl disaster, The 1991 referendum in Ukraine and 4 more anniversaries

Ukrainian student discontent (1980 - 1990), Perestroika, 26 April 1986 - Chernobyl disaster, The 1991 referendum in Ukraine, The Revolution of Dignity (21.11. 2013 – 22.02. 2014) and 6 more anniversaries