| 1861: | Civil War begins when Confederates fire on Fort Sumter, SC |
| 1911: | LT Theodore Ellyson qualifies as first naval aviator |
| 1962: | U.S. Navy demonstrates new landing craft with retractable hydrofoils, LCVP (H) |
| 1975: | Operation Eagle Pull evacuation from Cambodia |
| 1981: | First launching of re-useable Space Shuttle Columbia (STS-1) with all Navy crew. CAPT John W. Young, USN (Ret.) commanded, while LCDR Robert L. Crippen, USN was the pilot. Mission duration was 2 days, 6 hours, and 20 minutes. Sixteen of the shuttle's heat-shielding silicon tiles were lost and 148 damaged during reentry. |
| 1993: | Aircraft from USS Theodore Roosevelt and NATO forces begin enforcing the no-fly zone over the Bosnia in Operation Deny Flight |