The 76th Rifle Division was a Red Army infantry division, formed twice. The division was formed in 1922 and was known also as the 76th Armenian Mountain Division. It was a Soviet infantry fighting unit of the Red Army that fought on the Eastern Front during the Second World War. The 76th was made up primarily of Armenians from the newly established Soviet Socialist Republic of Armenia, but also included among its ranks several different nationalities. The division became the 51st Guards Rifle Division on 23 November 1942 for its actions in Operation Uranus.