Annexation of Crimea by the Russian Federation fail, and greatly damaging the maize and soybean crops. Annexation of Crimea by the Russian Federation The Crimean peninsula was annexed from Ukraine by the Russian Federation in February–March 2014 and since then has been administered as two Russian federal subjects—the Republic of Crimea and the federal city of Sevastopol. The annexation was accompanied by a military intervention by Russia in Crimea that took place in the aftermath of the 2014 Ukrainian revolution and was part of wider unrest across southern and eastern Ukraine. On 22–23 February 2014, Russian President Vladimir Putin convened an all-night meeting with security service chiefs
Crimea by "the commonality of the economy, the proximity, and close economic and cultural relations between the Crimean region and the Ukrainian SSR". At that time no vote or referendum took place, and Crimean population had no say in the transfer (also typical of other Soviet border changes). After the annexation of Crimea by the Russian Federation, doubts have been expressed - from the Russian side by all means, but even by Western historians (Richard Sakwa, "Frontline Ukraine. Crisis In the Borderlands", 2015) - about the very legitimacy of the 1954 transition of Crimea to Ukraine; in the critics' view the