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- 1775 - Congress commissions the first naval officers: Commander-in-Chief of the Fleet Esek Hopkins; Captains Dudley Saltonstall, Abraham Whipple, Nicolas Biddle, and John Hopkins; and 13 lieutenants including John Paul Jones.
- 1841 - The Navy's first ocean-going side-wheel steam ship, the Mississippi, is commissioned at Philadelphia, Pa.
- 1942 - Sue Dauser takes the oath of office as Superintendent of Navy Nurse Corps, becoming the first woman with the relative rank of captain in U.S. Navy. She is promoted to the rank of captain Feb. 26, 1944.
- 1942 - On board USS Silversides (SS 236), Pharmacists Mate 1st Class Thomas A. Moore performs an emergency appendectomy on Fireman 3rd Class George M. Platter while the submarine is submerged and on war patrol in the Solomon Islands. Platter returned to duty within a few days of the operation.
- 1960 - HS-3 and HU-2 helicopters, operating from USS Valley Forge, rescue 28 men from oiler SS Pine Ridge breaking up in heavy seas off Cape Hatteras, N.C.