April 4th
- 1808 – Albert G. Talbott born.
- 1831 – Andrew Rechmond Boone born.
- 1862 – John McCloskey born.
- 1884 – Alfred Francis Russell died, aged 66.
- 1900 – John Quast born.
- 1900 – Carlos G. Stratton born.
- 1902 – Stanley G. Weinbaum born.
- 1938 – Norro Wilson born.
- 1947 – Larry Belcher born.
- 1971 – Carl Mays died, aged 79.