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
Annexation of Crimea by the Russian Federation building by Russian special forces, the Supreme Council of Crimea voted to hold a referendum on 25 May, with the initial question as to whether Crimea should upgrade its autonomy within Ukraine. The referendum date was later moved from 25 May to 30 March. A Ukrainian court declared the referendum to be illegal. On 4 March, Russian President Vladimir Putin said Russia was not considering annexing Crimea. He said of the peninsula that "only citizens themselves, in conditions of free expression of will and their security can determine their future". Putin later acknowledged that he had ordered "work to bring