Editing Omsk Oblast (section)

===Soviet years===
In 1925 the Omsk governorate was dissolved into the newly formed [[Siberian Krai]] and again reorganized, this time as an Oblast by order of the [[All-Russian Central Executive Committee]] on 7 December 1934. Parts of the Ob-Irtysh Oblast and the [[West Siberian Krai]] as well as the southern part of [[Chelyabinsk Oblast]] were given over to Omsk. In 1943, [[Kurgan Oblast]] created from the western portion of the [[Chelyabinsk Oblast]] also got a number of Omsk territories. In 1944, the northern part of the Omsk Oblast along with the districts previously transferred to Kurgan became newly established [[Tyumen Oblast]] that included [[Khanty-Mansi Autonomous Okrug|Khanty-Mansi]] and [[Yamalo-Nenets Autonomous Okrug|Yamalo-Nenets]] autonomous okrugs.

The 1950s saw the creation of the petroleum processing industry, as well as the development of various high-technology facilities that came to define the economy of the Oblast for the remainder of the century.