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
Historical background of the 2014 pro-Russian unrest in Ukraine autonomy as the Autonomous Republic of Crimea within Ukraine. Despite this, fighting between the Crimean government, Russian government, and Ukrainian government continued. In 1994, Russian nationalist Yuri Meshkov won the 1994 Crimean presidential election, and implemented the earlier approved referendum on the status of Crimea. 1.3 million people voted in this referendum, 78.4% of whom supported greater autonomy from Ukraine, whilst 82.8% supported allowing dual Russian-Ukrainian citizenship. Later in that same year, the status of Crimea as part of Ukraine was recognised by Russia, which pledged to uphold the territorial integrity of Ukraine in the Budapest Memorandum. This treaty was