1841 - The Navy's first ocean-going side-wheel steam ship, the Mississippi, is commissioned at Philadelphia, Pa.
1941 - The Arcadia Conference takes place in Washington, D.C. between President Franklin D. Roosevelt and British Prime Minister Winston Churchill, establishing the Combined Chiefs of Staff and the eventual 26 nations forming the United Nations for Allied war planning against Germany.
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 - Onboard USS Silversides (SS 236), Pharmacist's Mate First Class Thomas A. Moore performs an emergency appendectomy on Fireman Third 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 (USS Valley Forge) helicopters rescue 28 men from oiler SS Pine Ridge breaking up in heavy seas off Cape Hatteras.