November 17 — The Prussian government dissolved Karl Marx's Union of Communists.
The idea of heat death (William Thomson).
The last steller's cormorant was killed.
See also Category: Born in 1852
June 25 - Antonio Gaudi, Spanish architect († 1926)
August 30 - Jacob Hendrik Van Hoff, Dutch chemist
September 15 - Hryhoriy Oleksandrovich Machtet, Russian writer, revolutionary (†1901).
See also Category:Died 1852