 The district was transferred to the control of the commander of the Armed Forces of Ukraine and Crimea, Mikhail Frunze, on 3 December, after the defeat of the last White troops in Crimea.Nikolayev Governorate and Odessa Governorate became part of the district in May 1921.The troops of the district fought Ukrainian anti-Soviet partisans during this period, and on 21 April 1922 it was merged with the Kiev Military District to form the Southwestern Military District, which soon became the Ukrainian Military District.