Omsk. The third capital. 300-year anniversary. / Омск. Третья столица. 300-летний юбилей.

Omsk is one of the largest cities of Russia, the administrative center of Omsk oblast, located at the confluence of the Irtysh and the Om rivers, in southwestern Siberia, 2,236 kilometers (1,389 mi) from Moscow. Omsk is multi-million-strong city (1 079 178 people in 2016), the second largest population in Siberia and eighth in Russia. A major transport hub: from West to East passes through the city railway TRANS-Siberian railway, with its construction, Omsk became known as “the Gate of Siberia“. The navigable Irtysh River runs from South to North, is the longest tributary in the world (a tributary of the Ob River). The territory of Omsk were of great importance since ancient times. Here were settlements and burial grounds of many developed Nations that lived from the VI Millennium BC to the XIII century. In XVII century the need for the Russian city at the mouth of the Om was so great, that many people repeatedly asked the Tsar Peter I about its Foundation. Omsk was founded by I. D. Buchholz in 1716 as a for