December 20 in the history of the Birmingham District:
- 2013: Mix bakery in One Federal Place closed.
- 2011: Patton Hill Baptist Church in Oakman was destroyed by arson.
- 1976: Birmingham-Southern College student Quenette Shehane was abducted and murdered.
- 1965: Barber's Cafeteria opened at Eastwood Mall.
- 1944: The University of Alabama signed a 99-year lease to use Jefferson Hospital and Hillman Hospital as teaching facilities.
- 1888: The Bessemer Journal published a call to create a new "Bessemer County".
- 1820: Elyton was incorporated.
- 1913: Jasper Congressman Carl Elliott was born in Franklin County.
- 1904: Baseball player Spud Davis was born.
- 1902: Blues pianist Walter Roland was born in Ralph.
- 1901: Physicist Robert Van de Graaff was born in Tuscaloosa.
- 1878: Real estate executive Isaac Croom Jr was born in Hale County.
- 1863: Saloon keeper and Alderman Christian Rambow was born in Mecklenburg, Prussia.
- 1816: Tuscaloosa Reconstruction legislator Shandy Jones was born in Huntsville.
- 2015: Actress Jessica Clark married educator Mike Boody in Clanton.
- 2014: Expatriate militant Islamist Hoda Muthana married ISIS fighter Suhan Rahman in Syria.
- 1893: Insurance executive and real estate developer Louis Clark married Mildred Jones.