Alexander Vasilyevich Kolchak was a Russian admiral, military leader and polar explorer who held the title of Supreme Ruler of Russia from 1918 to 1920 during the Russian Civil War, though his actual control over Russian territory was limited. Previously, he served in the Imperial Russian Navy and fought in the Russo-Japanese War and World War I.

Irkutsk is the largest city and administrative center of Irkutsk Oblast, Russia. With a population of 617,473 as of the 2010 Census, Irkutsk is the 25th-largest city in Russia by population, the fifth-largest in the Siberian Federal District, and one of the largest cities in Siberia.