| 1923: | In disaster at Point Honda, California, 7 destroyers run aground through faulty navigation |
| 1939: | President Franklin D. Roosevelt proclaims limited national emergency and increases enlisted strength in the Navy and Marine Corps; also authorizes the recall to active duty of officer, men and nurses on the retired lists of the Navy and Marine Corps |
| 1954: | U.S. signs Manila Treaty forming SEATO |
| 1958: | LT R. H. Tabor, wearing a Navy developed pressure suit, completes 72-hour simulated flight at altitudes as high a 139,000 feet. It was another step in the development of the Navy spacesuit, which NASA accepted in 1959 for use by Mercury astronauts. |