| 1815: | CAPT Stephen Decatur concludes treaty for U.S. with Tripoli |
| 1842: | Signing of Webster-Ashburton Treaty under which U.S. and Great Britain agreed to cooperate in suppressing the slave trade. |
| 1865: | Return of Naval Academy to Annapolis after 4 years at Newport, RI |
| 1919: | Construction of rigid airship ZR-1 (Shenandoah) authorized |
| 1941: | Atlantic Charter Conference is first meeting between President Roosevelt and Winston Churchill |
| 1942: | Battle of Savo Island begins; First of many sea battles near Guadalcanal |
| 1945: | Atomic bomb dropped on Nagasaki, Japan. Navy weaponeer arms the atomic bomb. |
| 1949: | First use of pilot-ejection seat for emergency escape in U.S. made by LT Jack I. Fruin of VF-171 near Walterboro, SC |