| 1801: | U.S. schooner Enterprise captures Tripolitan ship Tripoli |
| 1921: | Successful tests of gyroscopic high level bombsight (Norden Bombsight) at Torpedo Station, Yorktown, VA. Carl Norden developed the bombsight for the Bureau of Ordnance. |
| 1946: | Office of Naval Research established |
| 1950: | Control of Guam transferred to Department of Interior |
| 1958: | USS Nautilus (SSN-571) submerges under Arctic ice cap near Point Barrow |