Siege of Fort Gaines

Infobox Military Conflict
conflict=Siege of Fort Gaines


caption=
partof=the American Civil War
date=August 3-8, 1864
place=Fort Gaines, Alabama
result=Union victory
combatant1=United States
combatant2=Confederate States
commander1=Gordon Granger
commander2=Charles D. Anderson
strength1=3,300
strength2=818
casualties1=?
casualties2=818 surrendered

The Siege of Fort Gaines occurred during the American Civil War as part of the larger battle of Mobile Bay.

Union forces under the command of Maj. Gen. Gordon Granger landed on Dauphin Island on August 3, 1864 and moved against Fort Gaines guarding the western edge of Mobile Bay. The fort was garrisoned by 818 troops under the command of Col. Charles D. Anderson. Anderson was instructed by his superior General Richard L. Page not to surrender the fort. However on August 5, the Union fleet ran past Forts Gaines and Morgan and defeated the Confederate Fleet in the bay. Anderson could not hold out against a the Union army and navy and surrendered the fort on August 8. With the fall of Fort Gaines, Granger left a garrison at the fort and immediately moved against Fort Morgan to the east.