August 18 in the history of the Birmingham District:
- 2016: Richella Heekins and Ben Marlow concluded their BHM not BHX visit.
- 2015: U.S. Steel announced the permanent closure of its Fairfield Works blast furnace.
- 2006: Jefferson State Community College's St Clair Center opened in Pell City.
- 2005: Singer Bo Bice underwent emergency surgery for a blocked intestine.
- 1979: Legion Field hosted the Drum Corps International World Championships.
- 1978: John's Restaurant closed for the move a block south to 112 21st Street North.
- 1973: City Federal Savings & Loan opened an office at Green Springs Highway and West Valley Avenue.
- 1963: The Pratt City Library opened.
- 1957: McElwain Baptist Church completed a new fellowship hall.
- 1925: The Flag of Birmingham was adopted by the Birmingham City Commission.
- 1890: Construction resumed for the Main Building at Howard College in East Lake.
- 1955: Atlanta Braves catcher Bruce Benedict was born in Birmingham.
- 1930: Basketball coach Gene Bartow was born in Browning, Missouri.
- 1921: Attorney and civic leader Alexander Lacy was born in South Boston, Virginia
- 1918: Western swing bandleader Hank Penny was born in Birmingham.
- 1908: Veterans Day founder Raymond Weeks was born in Columbus, Georgia.
- 1879: Architect William Denham was born in Baton Rouge, Louisiana.
- 2009: Chemist Leven Hazlegrove died at home in Homewood.
- 2008: Former Wake Forest University president Thomas Hearn died.
- 1899: Methodist minister and former probate Judge W. L. Wilson died in Leeds.
- 1898: Surveyor and engineer John T. Milner died in Birmingham.
- 1888: Early Birmingham entrepreneur John Westbrook died.