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 in 2010 concerning Russian gas supply through Crimea, basing his country's decision on the fact that Crimea is now a part of Russia. Medvedev then denied the change of Russian stance towards its pacts with Ukraine, only speculating that Russia has 'amended' some of the signed documents in order to remove "Crimea" from the lists. About 30% of Crimea and almost half of Simferopol dwellings and buildings met a power outage as Ukrainian electric company UkrEnergo shut off its supply of electricity to those regions. Belarusian President Aleksandr Lukashenko described the blackout as "ridiculous" and urged for both nations to