Birthdays
John Quincy Adams
Turns 15 on this date
James Henry Carlisle
Turns 38 on this date
Phil Moore Leakin
Turns 33 on this date
John Henry Martin
Turns 29 on this date
John Harmon Phillips
Turns 43 on this date
Joseph Pannell Taylor
Turns 67 on this date
Events
| US/the World | A Maori revolt erupts in New Zealand | 05/04/1863 |
| Campaigns/Elections | In municipal elections, Unionists wrest political control of Des Moines, Iowa from Democrats | 05/04/1863 |
| Crime/Disasters | In New York State, a destructive fire strikes the town of Lockport | 05/04/1863 |
| US/the World | The British government's plan to end income tax exemptions for charities meets with fierce opposition | 05/04/1863 |
| Business/Industry | The National Typographical Union holds its annual meeting in Cleveland, Ohio |
05/04/1863 to 05/06/1863 |
| Battles/Soldiers | Union reinforcements prevented from reaching Chancellorsville at Battle of Salem Church |
05/03/1863 to 05/04/1863 |