From the Navy News Service
1830 - The Naval Observatory, the first U.S. national observatory, was established in Washington, D.C., under the command of Lt. Louis Malesherbes.
From the Navy News Service
1901 - The first report on the Ship Model Basin at the Washington Navy Yard was issued by Naval constructor David W. Taylor, who designed the basin. It's the first facility of this type in U.S. to test hull shapes.
From the Navy News Service
1917 - German submarine torpedoes sink USS Jacob Jones (DD 61) off England.From the Navy News Service
1968 - Operation Giant Slingshot began in Mekong Delta.