May 5 is the 125th day of the year (126th in leap years). There are 240 days remaining.
- 1760 — Sophie Ursinus is born.
- 1892 — George Frank Sack is born.
- 1912 — William Dale Archerd is born.
- 1950 — Zaven Almazyan is born.
- 1962 — Elvira Yegorycheva is born.
- 1986 — Cécile Bloch is murdered by François Vérove.
- 1986 — Jerry McFadden's victim, Suzanne Denise Harrison, is found.
- 1990 — Leonard Christopher is arrested for being the "Frankford Slasher".
- 2001 — Mananya Thumpong is murdered by Michel Fourniret.
- 2002 — Dmitry Medvedev died.
- 2002 — Lucho Plátano is born.
- 2004 — Kim Hee-sun is murdered by Yoo Young-chul.
- 2005 — Elikutty is murdered by K P Jayanandan.
- 2015 — Clarence Victor died.
- 2016 — Marie Noe died.