April 1st
- 1804 – Albert Gallatin Hawes born.
- 1823 – Simon Bolivar Buckner born.
- 1843 – Mary Brooks Rathbone died, aged 76.
- 1861 – David Grant Colson born.
- 1866 – Sophonisba Preston Breckinridge born.
- 1883 – George S. Shanklin died, aged 75.
- 1902 – Joseph S. Fowler died, aged 81.
- 1922 – Jimmie Logsdon born.
- 1945 – Isaac Wolfe Bernheim died, aged 96.
- 2019 – Vonda N. McIntyre died, aged 70.