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 peninsula, and has asked the UN Security Council to send peacekeepers into the region. On 13 March, Russian President Vladimir Putin made a comparison between Crimea and Kosovo in a phone call with US President Barack Obama. On 15 March, thousands of protesters (estimates varying from 3,000 by official sources up to 50,000 claimed by opposition) in Moscow marched against Russian involvement in Ukraine, many waving Ukrainian flags. At the same time a pro government (and pro-referendum) rally, occurred across the street, counted thousands as well (officials claiming 27,000 with opposition claiming about 10,000). In February 2015, the leading independent