March 30 is the 89th day of the year (90th in leap years). There are 276 days remaining.
- 1861 — Ane Cathrine Andersdatter is apprehended.
- 1899 — Edward Bates Soper died.
- 1931 — Shinkichi Sakurada is apprehended.
- 1952 — Michel Asanovic is born.
- 1958 — Eunice Brillhart died.
- 1958 — Larry White is born.
- 1961 — Ivan Hill is born.
- 1974 — "Abu Tubar" is apprehended.
- 1977 — Rajendra Jakkal, Dilip Sutar, Shantaram Kanhoji Jagtap and Munawar Harun Shah are apprehended.
- 1981 — Thor Nis Christiansen died.
- 1985 — Martin Priest is apprehended.
- 1993 — Keith Jesperson is apprehended.
- 1998 — Judy Buenoano died.
- 2002 — John Brennan Crutchley died.
- 2004 — William Wickline died.
- 2010 — Franklin Alix died.
- 2011 — Ramón Laso is apprehended.
- 2017 — Donald Harvey died.