He had played a significant role in establishing and maintaining Soviet regime in the Ural region, Turkestan and the Far East.

[3] In 1895 he left (other sources say he was expelled for participating in a student uprising) the seminary and entered the Moscow secondary school of Ivan Findler.

[3] In 1898 he entered the Russian Social Democratic Labour Party and started studies at the Moscow Higher Technical School.

[3] In Riga, Pyotr Kobozev worked at the German-Dutch Van der Zypen und Charlier company manufacturing railroad wagons.

[3] In Orenburg P. Kobozev became the leader of the local section of RSDLP, and was under personal control of the governorate's gandarmerie head.

[3] In April 1917, P. Kobozev was appointed the Commissar of the Tashkent railroad, which, however, faced opposition from the Provisional Government and he was commissioned back to Petrograd.

[3] In May 1917, P. Kobozev was elected to the Petrograd City Duma from the Bolsheviks, and was appointed the chief inspector over the educational institutions of the Ministry of Transport.

[3] In autumn 1923, the severely ill Pyotr Kobozev returned to Moscow and asked to be transferred to academic work.

[3] He was the head of the National Scientific Institute of Locomotive Construction, took part in organizing building the Moskva-Volga Canal, and gave the technical conclusion on the project of Dnieper Hydroelectric Station.

[8] Pyotr Kobozev (played by Armen Djigarkhanyan) is a character in the Uzbek 1970 film 'Extraordinary comissar' (Russian: Чрезвычайный комиссар) about the years of the Soviet regime establishment in Turkestan.