During the War of 1812, the frigate Congress, commanded by John Smith, captures and burns the British merchant brig, Jean, in the Atlantic.
The screw ship Powhatan lands her Marine guard at Shanghai, China, to protect the lives and property of Americans during a period of unrest.
Commodore Robert W. Shufeldt, onboard USS Swatara, arrives in Korea to negotiate the first commerce treaty between Korea and a Western power. The treaty is signed on May 22, opening Korea to United States trade.
USS England (DE 635) sinks Japanese submarine I 16, the first of five submarines the destroyer sinks in a weeks time.
USS Niblack (DD 424), USS Ludlow (DD 438), and British aircraft sink German submarine U 960 off Oran, Algeria.