The Russian battleship "Sevastopol" () was the first ship completed of the s of the Imperial Russian Navy, built before World War I. The "Gangut"s were the first class of Russian dreadnoughts. She was named after the Siege of Sevastopol during the Crimean War. She was completed during the winter of 1914–1915, but was not ready for combat until mid-1915. Her role was to defend the mouth of the Gulf of Finland against the Germans, who never tried to enter, so she spent her time training and providing cover for minelaying operations. Her crew joined the general mutiny of the Baltic Fleet after the February Revolution and joined the Bolsheviks later that year. She was laid up in 1918 for lack of manpower, but her crew joined the Kronstadt Rebellion of 1921. She was renamed Parizhskaya Kommuna after the rebellion was crushed to commemorate the Paris Commune and to erase the ship's 'betrayal' of the Communist Party.