[1][4] In October 1938 he was appointed first secretary of the Primorsky Regional Committee of the All-Union Communist Party of Bolsheviks and in 1940 he was named as the first secretary of the City Committee of the All-Union Communist Party of Bolsheviks in Vladivostok which he held until 1947.

[1] Pegov was elected as the secretary of the Presidium of the Supreme Soviet in April 1954[6] and remained in the post until 1956.

[8] One of the significant activities of Pegov during his term as ambassador to Iran was the Iran–Soviet Memorandum concerning the sovereign rights of two countries in the Caspian Sea.

[2] He was appointed deputy minister of foreign affairs in April 1973 and department head of the Politburo in 1975.

[3] He functioned as a candidate member of the central committee Presidium between 1952 and 1953 and as a deputy to the 1st through 4th convocations of the Supreme Soviet.