Peter III of Russia

Born

February 21, 1728

Died

July 6, 1762 (aged 34)

Known as

monarch

Peter III Fyodorovich was Emperor of Russia from 5 January 1762 until 9 July of the same year, when his wife, Catherine II, overthrew him in a palace coup d'état. He implemented many notable reforms during his reign, though he is criticised for undoing Russian gains in the Seven Years' War by forming an alliance with Prussia.

Biography from Wikipedia, available under CC BY-SA 4.0.