March 21 in the history of the Birmingham District:
- 2009: The mannequin Hortense was stolen from Zoe's Forest Park consignment shop.
- 1970: Robert Baker was ordained as a priest.
- 1965: Our Lady Queen of the Universe Catholic Church and the A. D. King residence were each unsuccessfully targeted by large bombs.
- 1956: Equipment supplier Vulcan Service Company opened a new headquarters at 714 3rd Avenue North in Smithfield.
- 1932: A series of tornados killed 268 in Alabama and 315 total between Texas and South Carolina, leveling the town of Atchison.
- 1906: The Birmingham Board of Aldermen voted 11-4 to proceed with plans to display the Vulcan statue in Capitol Park.
- 1892: The residence of Alderman David Fox and his adjoining grocery store were damaged in a fire caused by an "incendiary device".
- 1962: Comic book writer Mark Waid was born in Hueytown.
- 1955: Baseball coach Jim Wells was born.
- 1835: "Father of Brighton", George Edwards, was born in Hillsboro, Ohio.
- 2016: Newspaper reporter and author Frank Sikora died in Anniston.
- 1969: Baseball player and manager Mike "Pinky" Higgins died in Dallas, Texas.
- 1932: 268 died in Alabama in the horrific 1932 tornado outbreak.
- 1924: Educator Samuel Ullman died.
- 1890: Pioneer farmer and merchant William Walker Sr died in Elyton.