Annexation of Crimea by the Russian Federation military intervention in Ukraine "until normalization of a socio-political environment in the country". Putin's swift manoeuvre prompted protests of intelligentsia and demonstrations in Moscow against a Russian military campaign in Crimea. By 2 March, Russian troops moving from the country's naval base in Sevastopol and reinforced by troops, armour, and helicopters from mainland Russia exercised complete control over the Crimean Peninsula. Russian troops operated in Crimea without insignia. On 4 March Ukrainian General Staff claimed there are units of 18th Motor Rifle Brigade, 31st Air Assault Brigade and 22nd Spetsnaz Brigade deployed and operating in Crimea instead of Russian Black
Timeline of the annexation of Crimea by the Russian Federation Timeline of the annexation of Crimea by the Russian Federation The annexation of Crimea by the Russian Federation took place in the aftermath of the 2014 Ukrainian revolution. On 22–23 February, Russian President Vladimir Putin convened an all-night meeting with security services chiefs to discuss extrication of deposed President, Viktor Yanukovych, and at the end of that meeting Putin remarked that "we must start working on returning Crimea to Russia.". Russia sent in soldiers on February 27, 2014. Crimea held a referendum. According to official Russian and Crimean sources 95% voted to reunite with Russia. The legitimacy of the referendum