Trans-Siberian Railway because the swampy banks of the Ob River near it were considered inappropriate for a bridge. The railway was laid to the south (instead crossing the Ob at Novonikolaevsk, later renamed Novosibirsk); just a dead-end branch line connected with Tomsk, depriving the city of the prospective transit railway traffic and trade. In March 1890, the Tsarevich (later Tsar Nicholas II) personally inaugurated the construction of the Far East segment of the Trans-Siberian Railway during his stop at Vladivostok, after visiting Japan at the end of his journey around the world. Nicholas II made notes in his diary about his anticipation
Ulan-Ude Okrug. According to the 2010 Census, 404,426 people lived in Ulan-Ude; up from 359,391 recorded in the 2002 Census. In terms of population, it is the third largest city in eastern Siberia. The ethnic makeup of the city's population in 2010: The city is the center of Tibetan Buddhism in Russia and the important Ivolginsky datsan is located from the city. Ulan-Ude is located on the main line (Trans-Siberian line) of the Trans-Siberian Railway between Irkutsk and Chita at the junction of the Trans-Mongolian line (the Trans-Mongolian Railway) which begins at Ulan Ude and continues south through Mongolia to Beijing