Events from the year 1840 in Russia

Incumbents Monarch – Nicholas I

Events

Battle of the Valerik River Convention of London (1840)

Births

April 9 – Praskovya Uvarova, archaeologist (d. 1924) May 7 – Pyotr Ilyich Tchaikovsky, composer (d. 1893) November 4 - Dmitry Karakozov, assassin (d. 1866)

Deaths

References