Parsegov was born in the village of Madatkent (now Kolkhozashen) in
Nagorno-Karabakh, to an
Armenian family. His father worked as a
potter, his mother ran the household. At age 12, he was left without parents and went to work in
Central Asia. He worked at a ginnery in the city of
Andijan. Parsegov was drafted into the
Imperial Russian Army in 1916. From September 1916 to November 1917 he served during the
First World War on the
Caucasus Front, initially as a private in artillery units, then as a gun commander with the rank of senior artillery officer. In 1918, Parsegov voluntarily joined the
Red Army. In the same year he was admitted to the
All-Union Communist Party (Bolsheviks). He began his service in the fortress of
Andijan as an assistant
platoon commander, then for some time he acted as
commandant of this fortress. From November 1918 to November 1919, as a
platoon commander fought on the
Turkestan Front, fought against the
Basmachi – in Andijan, Kokand, Namangan, Skobelevsky areas; in the spring of 1919, he was
wounded. In February 1920 – July 1921, as part of the Bukhara Front, he participated in the liquidation of gangs of the Bukhara emir. Since July 1921 – the
foreman of the
battery. He ended the
Civil War as a
battery commander. In 1922, Parsegov graduated from the Tashkent artillery command courses. He served in the
Leningrad Military District: from November 1922 – gun commander of the battery; from February 1923 – Chief of Communications of the Battery of the 14th Separate Regimental Heavy
Division of the 11th Rifle Corps; since November 1924 – head of the chemical
battery. In 1926, he graduated from the artillery Red Banner Improvement Courses for command personnel, after which he was appointed commander of the training battery of a separate heavy artillery division, and in February 1927 – commander of the training
battery of the 13th Field Heavy Artillery Division. From March 1928, he temporarily commanded the 3rd
Division of the Heavy Artillery Regiment of the 13th Rifle Corps, and from April 1929, the division of the 13th Corps Regiment. Since August 1930 – commander of the 5th Separate Territorial Artillery Battalion of the
Volga Military District. Since November 1931 – commander and commissar of the 57th Ural Artillery Regiment of the
Transbaikal Military District. Since 1932, Parsegov studied at the
Mikhail Frunze Military Academy, which he graduated in 1936 with a gold medal. Then in May 1936, he was appointed commander of the 69th Heavy Artillery Regiment of the
19th Rifle Corps. ==Winter War==