Ольга Чернікова Olga Chernikova * 1978 Ukraine, Forced displacement from and within Ukraine Ukrajina v letech 1986–1991, The Ukrainian declaration of independence in 1991, The Revolution of Dignity (21.11. 2013 – 22.02. 2014), The Annexation of Crimea (February 2014), 2014 - first invasion of Russia into Ukraine a 4 další výročí