Trans-Siberian Railway of travelling in the comfort of "the tsar's train" across the unspoiled wilderness of Siberia. The tsar's train was designed and built in St. Petersburg to serve as the main mobile office of the tsar and his staff for travelling across Russia. On 9 March 1891, the Russian government issued an imperial rescript in which it announced its intention to construct a railway across Siberia. Tsarevich Nicholas (later Tsar Nicholas II) inaugurated the construction of the railway in Vladivostok on 19 May that year. The construction of the Trans-Siberian Railway was overseen by Sergei Witte, who was then finance minister.
Trans-Siberian Railway with its Trans-Manchurian branch) served as the essential link between Germany and Japan. One commodity particularly essential for the German war effort was natural rubber, which Japan was able to source from South-East Asia (in particular, French Indochina). As of March 1941, 300 tonnes of this material would, on average, traverse the Trans-Siberian Railway every day on its way to Germany. According to one analysis of the natural rubber supply chain, as of 22 March 1941, 5,800 tonnes of this essential material were transiting on the Soviet railway network between the borders of Manchukuo and the Third Reich, 2,000 tonnes