Naval History and Heritage Command

Congress declares war against Mexico. Commodore David Conner is responsible for the landing of the Army at Vera Cruz. In April 1847, Commodore Matthew C. Perry relieves Conner. On Feb. 2, 1848, the Treaty of Guadalupe Hidalgo is signed ending hostilities.

The Navy Nurse Corps is established by Public Law No. 115, though nurses have been volunteering onboard Navy ships prior to the Civil War.

The Pearl Harbor Navy Yard, later called Pearl Harbor Naval Shipyard, is authorized for the enlargement and dredging of the Pearl Harbor channel and locks to admit the largest ships as it becomes a coaling station for the U.S. Navy.

USS Francis M. Robinson (DE 220) sinks Japanese submarine RO 501 (ex-German U 1124) en route to Japan on her maiden voyage, 400 miles south-southwest of the Azores.

The first all nuclear-powered task group, USS Enterprise (CVAN 65), USS Long Beach (CGN 9) and USS Bainbridge (DLGN 25), is organized and deploys to the Sixth Fleet. The task group departs in July and circumnavigates the globe without refueling, returning that October.