evidence: The Nakhichevan Autonomous Soviet Socialist Republic,[a] abbreviated as Nakhichevan ASSR[b] was an autonomous republic within the Azerbaijan SSR, itself a republic within the Soviet Union. It was formed on 16 March 1921 and became a part of the Azerbaijan SSR proper on 9 February 1924. [...] Sovietization [edit]In July 1920, the 11th Soviet Red Army invaded and occupied the region and on 28 July, declared the Nakhichevan Autonomous Soviet Socialist Republic with "close ties" to the Azerbaijan SSR. In November, on the verge of taking over Armenia, the Bolsheviks, in order to attract public support, promised they would allot Nakhichevan to Armenia, along with Karabakh and Zangezur. This was fulfilled when Nariman Narimanov, leader of Bolshevik Azerbaijan issued a declaration celebrating the "victory of Soviet power in Armenia," proclaimed that both Nakhichevan and Zangezur should be awarded to the Armenian people as a sign of the Azerbaijani people's support for Armenia's fight against the former DRA government:[9]