From the Navy News Service
1862 - Congress creates rank of Rear Admiral. David G. Farragut is named the first Rear Admiral.
1912 - Rear Adm. Bradley Fiske receives patent for torpedo plane, or airborne torpedo.
1915 - First Navy ships, battleships USS Ohio (BB 12), USS Missouri (BB 11), and USS Wisconsin (BB 9) transit Panama Canal.
1945 - First atomic bomb test at Alamogordo, N.M.