The Crimean Peninsula was annexed Becoming_a_member by the Russian Federation in February–March 2014 and since then has been administered Control as two Russian federal subjects—the Republic of Crimea and the federal city of Sevastopol .

On 23 February , pro-Russian demonstrations Social_event were held Hold in the Crimean city of Sevastopol .

The Russian fleet of 10 battleships , 6 frigates and small craft sailed Self_motion from Sevastopol on 5 September under Fyodor Ushakov for Kherson to pick up some frigates .

All of the major Soviet shipyards were located in the Ukraine ( Nikolayev ) and Crimea ( Sevastopol ) and were occupied Control in 1941 .

Frustrated Influence by the wasted effort , and with demands for action from their citizens , the allied force decided Deciding to attack Attack Russia 's main naval base in the Black Sea at Sevastopol on the Crimean peninsula .

After extended Expansion preparations , the forces Causation landed Motion on the peninsula in September 1854 and marched Self_motion their way to a point south of Sevastopol after the successful Battle of the Alma .

Sevastopol fell Motion_directional after eleven months , and neutral countries began Process_start to join Becoming_a_member the Allied cause .