November 18, 1809 - Manuel Blanco Romasanta

Manuel Blanco Romasanta (né Manuela; 18 November 1809 – 14 December 1863) was Spain's first recorded serial killer. In 1853, he admitted to thirteen murders but claimed he was not responsible because he was suffering from a curse that caused him to turn into a wolf.

Content sourced from en.wikipedia.org/wiki/Manuel Blanco Romasanta under CC BY-SA 4.0.