Ленин

Etymology 1
From.

Proper noun

 * : Lenin
 * (1870–1924), Russian revolutionary, politician, and political theorist: full name

Etymology
After the workers' revolt in the, Ulyanov adopted the nom de guerre of "Lenin" in December 1901, taking the as a basis (Лена + possessive-adjective suffix -ин), thereby imitating the manner in which  had adopted the pseudonym on "Volgin" after the.

Proper noun

 * 1)  (the famous alias of Russian revolutionary leader and politician Vladimir Ilyich Ulyanov, April 22, 1870, to January 24, 1924)