This Day In History

 

After appearing as a cartoon short, the animated television series The Simpsons debuted as a Christmas special; it became a weekly series in 1990.

December 17, 1989

Taken from: https://www.britannica.com/on-this-day/December-17#:~:text=This%20Day%20in%20History%3A%20December%2017&text=On%20this%20day%20in%201903,Library%20of%20Congress%2C%20Washington%2C%20D.C.