The document outlines key events in Crimea from the 15th century to present day: - Crimea was originally inhabited by Crimean Tatars but they suffered repression and deportation under Soviet rule. - In 1954, Khrushchev transferred Crimea from Russia to Ukraine, taking larger territories for economic reasons after World War 2 and the Tatar deportation. - From 2013-2014, Russia exerted political and economic pressure on Ukraine to prevent it from strengthening ties with the EU, culminating in military intervention in Crimea. Russian forces occupied airports and blocked Ukrainian units, with the Russian government approving military deployment in Ukraine on March 1st.