 In 2010 the District was merged with part of the Siberian Military District to form the new Central Military District.The new merged district draws upon the history of the former Ural, Volga, and Kazan Military Districts.The Kazan Military District was first to be formed in the Volga province of the Russian Empire, by order of the Defence Minister of 6 August 1864, as one of fifteen military districts being formed.