From the Navy News Service
1797 - Capt. Thomas Truxtun issues the first known American signal book using numerary system.
1942 - Adm. Chester Nimitz is named commander-in-chief, Pacific Ocean Areas, a joint command, and retained his other title, commander-in-chief, U.S. Pacific Fleet.
1992 - The first five coed recruit companies from Naval Training Center Orlando, Fla., graduate.