Demographics of Crimea point of time. Turkey has provided the greatest support to Ukraine, which has been unable to resolve the problem of education in the mother tongue in Crimea, by bringing the schools to a modern state. Ukrainian was until 2014 the single official state language countrywide, but in Crimea government business was carried out mainly in Russian. Attempts to expand the usage of Ukrainian in education and government affairs have been less successful in Crimea than in other areas of the nation. Currently two thirds of migrants into Crimea are from other regions of Ukraine; every fifth migrant is from elsewhere
Timeline of the annexation of Crimea by the Russian Federation of secession of Crimea from Ukraine if the situation in the country worsens. The head of Mejlis of the Crimean Tatar People Refat Chubarov criticized the announcement and said that Konstantinov who was in Moscow at the time, openly invited Russian security forces to intervene in Crimean internal politics. The Russian military operation against Ukraine started on this date, according to the inscription on the Medal "For the Return of Crimea", awarded by the Russian Ministry of Defence. A Ukrainian law signed September 2015 designated this as the "date of the start of the temporary occupation". In Simferopol, a pro-Euromaidan