September 18 in the history of the Birmingham District:
- 2012: The Alabama Trust Fund referendum was held to authorize $437.4 million transfer from the Alabama Trust Fund to the state's general fund.
- 2010: Railroad Park opened to the public.
- 2007: Afton Lee Sr, Scotty McCallum, Sabert Oglesby, Herb Stockham and Rick Woodward were inducted into the Birmingham Business Hall of Fame.
- 2006: WTTO became an affiliate of the CW television network.
- 1978: The Stephenson residence in Walker County was added to the National Register of Historic Places.
- 1963: Martin Luther King Jr eulogized the remaining three victims of the church bombing at a joint funeral at 6th Avenue Baptist Church.
- 1943: USS Birmingham (CL-62) took part in the raids on Tarawa.
- 1913: The Birmingham Tidewater Railway began passenger service between Ensley and East Lake.
- 1890: Architect Joseph Turner married Flora Hathaway in Huntsville.
- 1883: Wood's Station was officially renamed "Woodlawn" by the U.S. Postal Service.
- 1954: Former Auburn Tigers football coach Tommy Tuberville was born.
- 1932: Racing promoter Bob Harmon was born in Ensley.
- 1915: Boxer and business owner Charles Saab was born in Birmingham.
- 1883: Former Mayor of Birmingham Jimmie Jones was born in Eufaula.
- 1851: Dentist Alfred Eubank was born in Jefferson County.
- 2018: Military contractor and voice coach John Bullock died.
- 2011: Radio announcer Ken Tremeling died.
- 2010: Chemist and educator Herbert Longenecker died in Birmingham.
- 2009: Newspaper photographer Robert Adams died.
- 1979: Former Birmingham Museum of Art chairman William Spencer died.
- 1837: Revolutionary War veteran Jonathan Clower died in what is now Chilton County.