April 3, 1962 - Brenda Ann Spencer

The Cleveland Elementary School shooting took place on January 29, 1979, at Grover Cleveland Elementary School in San Diego, California, United States. The principal and a custodian were killed; eight children and a police officer were injured.

A reporter spoke to her by phone while she was still in the house after the shooting, and asked her why she committed the crime. She reportedly answered: "I don't like Mondays.

Content sourced from en.wikipedia.org/wiki/Cleveland Elementary School shooting (San Diego) under CC BY-SA 4.0.