March 30 is the 89th day of the year.
- 1919, Sunday: Will Hare (Otis Peabody) is born in Elkins, West Virginia.
- 1929, Wednesday: Richard Dysart (Barbwire salesman) is born in Boston, Massachusetts.
- 2007, Friday: The day of the last ride of Back to the Future: The Ride at Universal Studios Florida.
- 2016, Wednesday: The sixth issue of IDW's Back to the Future comic is released.