Vladimir Lenin
Death and funeral: 1923–1924

Against Krupskaya's protestations, Lenin's body was embalmed to preserve it for long-term public display in the Red Square mausoleum. During this process, Lenin's brain was removed; in 1925 an institute was established to dissect it, revealing that Lenin had had severe sclerosis. In July 1929, the Politburo agreed to replace the temporary mausoleum with a permanent one in granite, which was finished in 1933. His sarcophagus was replaced in 1940 and again in 1970. For safety amid the Second World War, from 1941 to 1945 the body was temporarily moved to Tyumen. As of 2025, his body remains on public display in Lenin's Mausoleum on Red Square.
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