April 20th
- 1813 – Stephen Ormsby entered office as US House of Representatives from Kentucky, 8th District.
- 1824 – Mary Elizabeth Bliss born.
- 1826 – Joseph Pryor Nuckols born.
- 1856 – James C. Crow died, aged ~66.
- 1860 – Anna J. Hamilton born.
- 1899 – Ellis Wilson born.
- 1908 – Lionel Hampton born.
- 1971 – Allan Houston born.
- 1979 – Sean Green born.