Timeline of the annexation of Crimea by the Russian Federation deputies, Federation Council members, heads of Russian regions and civil society representatives in the Kremlin, calling for the creation of "two new constituent entities within the Russian Federation: the Republic of Crimea and the city of Sevastopol". Russian soldiers storm Ukrainian military bases in Crimea. At Sevastopol, a tug from the Black Sea Fleet attacked and damaged the Ukrainian corvette "Ternopil" by launching grenades at the ship while circling around. Verkhovna Rada of Ukraine passes a resolution to adopt a bill on "territorial integrity of the Ukrainian people", which overlooks the status of granting Ukrainian visas to certain Russian citizens,
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