Analysis of information sources in references of the Wikipedia article "Mangišlak (poluotok)" in Croatian language version.
The creation of separate national oblasts for the three main nationalities was written into the Politburo resolution of June 1920 that defined Turkestan’s place in the Soviet state as an important goal of Soviet power in Turkestan. A different kind of pressure came from the demands, increasingly insistent, from Kazakh activists from outside Turkestan. Upon Alash Orda’s defeat, the Kazakh lands of the former Steppe krai were turned into an autonomous Kazakh Republic with its capital at Omsk. In August 1920, the Kazakh-dominated Manghishlaq Peninsula was transferred from Turkestan to the Kazakh Republic.