October 20 in the history of the Birmingham District:
- 2004: A new City Center Master Plan was presented at the Alabama Theatre.
- 1999: Compass Bank acquired Heartland Bank of Austin, Texas.
- 1995: Elected Alabama Supreme Court chief justice Perry Hooper Sr was sworn in after a legal challenge failed.
- 1993: The Birmingham Airport was renamed the Birmingham International Airport.
- 1965: Edna Heffington opened her Carousel Beauty Salon on 3rd Avenue North.
- 1920: ACIPCO School opened.
- 1964: NASCAR driver Clifford Allison was born in Birmingham.
- 1961: Drummer Mark Reynolds was born.
- 1959: Baseball player and doctor Don Heinkel was born.
- 1939: Public relations professional Ron Council was born in Birmingham.
- 1937: Novelist William Cobb was born in Eutaw, Greene County.
- 1935: Construction magnate Miller Gorrie was born in Birmingham.
- 1904: Businessman and civic leader James Head was born in Tiffin, Ohio.
- 1848: Real estate investor John Boddie was born in Dayton, Marengo County.
- 2009: Former Dawson Memorial Baptist Church pastor Edgar Arendall died.
- 2000: Retired university administrator Delos Culp died in Johnson City, Tennessee.
- 1997: Bookstore owner Gene Crutcher died.
- 1905: Banker William Berney died.
- 2007: BSC Panthers lost 24-17 to Centre College at Waldrop Stadium.
- 2007: Samford lost to Austin Peay 25-28 at Seibert Stadium.
- 2007: UAB Blazers lost 49-10 to Houston at Houston, Texas.
- 1956: Carson-Newman 25 - Howard College 6 at Howard's final homecoming in East Lake.
- 1951: The Alabama Crimson Tide made their television debut vs. Tennessee at Legion Field.