1942 - During World War II, the U.S. Naval Operating Base at Auckland, New Zealand, is established.
1943 - While conducting daylight reconnaissance of the Bay of Naples to investigate German shore battery activity on the Sorrento Peninsula, Motor Torpedo Boats PT 204 and PT 209 are showered with water from near-hits but escape damage.
1944 - Capt. Everett P. Pope bravely leads his company of 1st Marines as they fight the Japanese on Peleliu Island and hold the ground they win overnight. Continually attacked, the battle eventually resorts to hand-to-hand combat. For his "conspicuous gallantry and intrepidity", he is awarded the Medal of Honor.
1951 - During Operation Summit, the first helicopter-borne landing of a combat unit is performed when Marines are landed by Marine helicopter squadron (HMR 161) in dense fog in Korea.
1981 - Philippine Navy frigate, Datu Kalantia, previously, USS Daniel Booth (DE 170), is forced aground by Typhoon Clara while at anchor near Clayan Island, 340 miles north of Manila. USS Mount Hood (AE 29), with a special medical team embarks and joins in on rescue operations on Sept. 21. Only 18 members of the crew survive.
2008 - Cryptologic Technician Third Class Matthew J. O'Bryant dies in the bombing of the Marriott Hotel in Islamabad, Pakistan. O'Bryant is assigned to the Navy Information Operations Command at Fort Meade, Md.