Question: In what town was the battle less than a week after George Custer was brevetted to brigadier general?
Sentence (from "George Armstrong Custer"): Custer was brevetted to brigadier general at age 23, less than a week before the Battle of Gettysburg, where he personally led cavalry charges that prevented Confederate cavalry from attacking the Union rear in support of Pickett's Charge.
Relevant evidence: Yes