March 23 is the 82nd day of the year (83rd in leap years). There are 283 days remaining.
- 1915 — George Joseph Smith is apprehended.
- 1924 — Joseph Taborsky is born.
- 1938 — Robert Diaz is born.
- 1943 — Aleksey Sukletin is born.
- 1960 — Colin Pitchfork is born.
- 1971 — Brian Steven Smith is born.
- 1988 — John Charles Bolsinger died.
- 1998 — Gerald Stano died.
- 2000 — John Sweeney is apprehended.
- 2002 — Robert Howard is apprehended.
- 2002 — Liu Mingwu is apprehended.
- 2020 — Martha Johnson is paroled.