This Day in Naval History - March 20
1833 - Capt. David Geisinger of the sloop Peacock negotiates the first commercial treaty with the King of Siam.1922 - USS Jupiter is recommissioned as Langley (CV 1), the Navy's first aircraft carrier.
1939 - The Naval Research Lab recommends financing a research program to learn to obtain power from uranium.
For more information about naval history, visit the Naval Historical Center Web site at www.history.navy.mil.