1864 - USS Wachusett rams the Confederate raider CSS Florida in the harbor of Bahia, Brazil. The collision brings down Florida's mast, then Wachusett opens fire. After Florida's surrender, both vessels are fired upon by Brazilian coastal forts as Wachusett tows her prize out to sea.
1944 - USS Hawkbill (SS 366) and USS Baya (SS 318)attack a Japanese convoy and sink the Japanese cargo ship Kinugasa Maru about 400 miles west of Manila, while USS Cabrilla (SS 288) sinks Japanese transport No.8 Shin'yo Maru off Vigan, Luzon.
1944 - USS Greenling (SS 213) sinks the Japanese transport No 8 Kiri Maru and the merchant tanker Kotai Maru.
1955 - USS X 1, the Navy's only midget submarine, is placed into service and conducts numerous scientific tests for the Naval Research Laboratory.
1975 - President Gerald Ford signs a law allowing admission of women into service academies (Public Law 94-106).
2001 - Operation Enduring Freedom begins with carrier air strikes and ship and submarine Tomahawk strikes in Afghanistan.