1813 - During the War of 1812, the frigate Essex, commanded by Capt. David Porter, takes the Peruvian cruiser Neryeda, which is the first capture by the U.S. Navy in the Pacific.
1822 - USS Shark, commanded by Lt. Matthew C. Perry, raises the first U.S. flag over Key West, Fla., and claims the territory for the United States, calling it Thompsons Island to honor Secretary of the Navy Smith Thompson.
1898 - Assistant Secretary of the Navy Theodore Roosevelt, recommends to Secretary of the Navy John D. Long that he appoint two officers of scientific attainments and practical ability who, with representatives from the War Department, would examine Professor Samuel P. Langleys flying machine and report upon its practicability and its potential for use in war.
1915 - The submarine, F-4 (SS 23) sinks off Honolulu, Hawaii, with the loss of 21 lives. It is the first commissioned submarine loss for the U.S. Navy.
1944 - USS Manlove (DE 36) and submarine chaser PC 1135 sink Japanese submarine I 32, 50 miles south of Wotje.
1957 - The first F8U-1 Crusader is delivered to a fleet unit, VF-32, in the record time of two years after the first flight of the experimental model.
2007 - Congress designates March 25 each year as National Medal of Honor Day. The day is significant as it is the day the first Medal of Honor was presented in 1863.