May 1 is the 121st day of the year (122nd in leap years). There are 244 days remaining.
- 1942 — Major Lisenba died.
- 1947 — Georgia Weckler is allegedly murdered by Ed Gein (suspected victim).
- 1965 — Sergey Lozovoi is born.
- 1980 — William Bonin's victim, Darin Kendrick is found.
- 1987 — Suzanne Korcz is murdered by Tommy Lynn Sells.
- 1993 — Roger Herbert Haglund is apprehended.
- 1995 — Vladimir Mukhankin is apprehended.
- 2010 — Shannan Gilbert is allegedly murdered by the "Long Island Serial Killer" (suspected victim).