From the Navy News Service
1776 - The first amphibious landing operation takes place. A Continental naval squadron, under Commodore Esek Hopkins, lands Sailors and Marines, commanded by Capt. Samuel Nicholas, on New Providence Island in the Bahamas. They capture urgently-needed ordnance and gunpowder.
1871 - The Navy Medical Corps is established.
1883 - Congress authorizes four modern ships of steel, "A, B, C, D Ships"; three cruisers, Atlanta, Boston and Chicago, and dispatch boat Dolphin.
1915 - The Office of Chief of Naval Operations (CNO) is established.
1915 - Congress creates the Federal Naval Reserve. Under it, the Naval Reserve Force is built up.
1960 - USS Sargo (SSN 583) returns to Hawaii from an Arctic cruise of 11,000 miles - 6,003 miles under the polar ice.