Events
| Battles/Soldiers | A powerful Union naval bombardment fails to silence the defenses of Port Hudson, Louisiana |
05/14/1863 to 05/15/1863 |
| Personal | General H.G. Berry, Chancellorsville casualty, is buried in his home town of Rockland, Maine | 05/14/1863 |
| Battles/Soldiers | Grant's Union Army captures Jackson, the state capital of Mississippi | 05/14/1863 |
| Settlers/Immigrants | In Montana, Crow Indians attack the fifteen men of John Stuart's Big Horn Expedition killing several |
05/13/1863 to 05/14/1863 |
| Campaigns/Elections | The American Temperance Union holds its annual meeting in New York City | 05/14/1863 |