Conversation so far:
what happened to George Armstrong Custer in Hanover?
On June 30, 1863, Custer and the First and Seventh Michigan Cavalry had just passed through Hanover, Pennsylvania
what happened to George Armstrong Custer in Abbotstown?
Next morning, July 1, they passed through Abbottstown, Pennsylvania
where is Hanover located?
Hanover is in Pennsylvania

Question: where is Abbottstown located?
Self-contained rewrite: where is Abbottstown located?