1861 - While commanding a gunboat flotilla, Cmdr. James Harmon Ward is mortally wounded by a musket ball while aiming the bow gun of his flagship, USS Thomas Freeborn at Mathias Point, Va. Ward is the first US Naval officer casualty of the Civil War.
1898 - During the Spanish-American War, the 301-ton yacht Hornet captures the Spanish steamer Benito Estenger off Cape Cruz, Cuba.
1916 - At the Battle of Los Trencheros during the Dominican Campaign in the Dominican Republic, the Fourth Marine Regiment withstands an attack by Dominican insurgent forces.
1945 - PV-1 (VPB 142) sinks the Japanese submarine I 165, 450 miles east of Saipan, Mariana Islands.
1945 - USS Blueback (SS 326) sinks Imperial Japanese Navy submarine chaser, (CH 2), north of Lombok, Java Sea.
1950 - President Harry Truman authorizes U.S. Naval and Air operations south of 38th Parallel, Korea, in support of the U.N. call to assist South Korea.
(Source: Naval History and Heritage Command, Communication and Outreach Division)