The Battle of Sinop, or the Battle of Sinope, took place on 30 November 1853 at Sinop, a sea port in northern Anatolia, when Imperial Russian warships struck and annihilated a patrol force of Ottoman ships anchored in the harbor. The battle was part of the Crimean War, and a contributory factor in bringing France and Britain into the conflict.

Russia:

37 killed,
233 wounded,
~3 ships of the line damaged

Turkey:

~3,000 killed or wounded,
1 frigate sunk,
1 steamer sunk,
6 frigates grounded,
3 corvettes grounded,
~2 shore batteries destroyed