National Archives at Philadelphia

Exhibition Overview

Refer to CaptionBy Alina JosanLearn more

Explore the exhibition by linking below or by clicking "Next".

The explosion at the Arsenal and the relevance of the Battle of Antietam.

Allegheny Arsenal
Background to the arsenal, including layout.

John Symington
Commander of the Arsenal

Alexander McBride
Refer to CaptionCourtesy of the Library of CongressLearn more
Employee, inventor

The Workers
Explore who they were

Come Investigate
A deeper look at the people and evidence available on this explosion. Use the documents to help YOU decide what happened.