| 1899: | First Navy wireless message sent via Lighthouse Service Station at Highlands of Navesink, New Jersey. |
| 1943: | CGC E.M. Wilcox foundered off Nags Head, NC. There was 1 lost. |
| 1949: | The rank of Commodore, established in 1943 as a wartime measure, was terminated by the President under the provisions of an Act of Congress approved 24 July 1941. |
| 1997: | Omega Navigation Station Hawaii ceases operation, coinciding with the end of worldwide Omega transmissions. |