On 11 May 1891 it was redesignated as the 1st East Siberian Rifle His Imperial Highness Tsarevich's Battalion (being named after Nicholas Alexandrovich, who was at the time the heir-apparent).

On 2 November 1894 it was renamed the 1st East Siberian Rifle His Majesty's Battalion following the coronation of Nicholas II as the Emperor and Autocrat of All the Russias, and on 28 January 1898 it was reformed into a two-battalion infantry regiment.

During the Boxer Rebellion in the Qing dynasty and the Russian intervention along with seven other powers, the 1st East Siberian Rifle Regiment was deployed into the three northeastern provinces of China (Manchuria) in 1900–1901.

The whole regiment was awarded with the head dress decoration with the label: "For Old Nuchang in 1900" (received on 19 February 1903).

[2] At the outbreak of World War I in 1914 and throughout that conflict the regiment remained in the same division and army corps as it had in 1904–1905.