- 1893 - Navy General Order 409 establishes the rank of Chief Petty Officer.
- 1899 - A landing party of 60 men from USS Philadelphia (C 4) and a force of 100 friendly natives join 62 men from HMS Porpoise and Royal Isle in Samoa to establish order over Samoan throne.
- 1943 - USS Shad (SS 235) torpedoes and damages the Italian blockade runner Pietro Orseolo, shortly after the Italian ship reaches the Bay of Biscay and her escort of four German destroyers.
- 1945 - Under heavy naval gunfire and aircraft support, U.S. Army and U.S. Marine Corps troops begin the invasion of Okinawa, the last major amphibious assault of World War II.
- 1948 - Helicopter Utility Squadron ONE and TWO (HU-1 and HU-2), both known as the "Fleet Angels," were formed from the newly decommissioned Helicopter Development Squadron THREE (VX-3) at Lakehurst, New Jersey. These were the Navy's first two helicopter squadrons.
- 1991 - USS Marvin Shields (FF 1066) arrives at her home port of San Diego, Calif. She is the first West Coast ship to return to CONUS from Operation Desert Storm.
- 2007 - The last US Navy T-2C Buckeye, assigned to VX-20, retires to Patuxent River Naval Air Museum.
