Henry W. Halleck returns his “Grand Army” to three separate armies, with the main objective to be a campaign to seize the key railroad town of Chattanooga.

Exploring the most important 55 months in American history
Henry W. Halleck returns his “Grand Army” to three separate armies, with the main objective to be a campaign to seize the key railroad town of Chattanooga.
Federal army and navy forces capture a key stronghold on the Mississippi River.
John Pope readies his Federal army to capture strategic Island Number 10 on the Mississippi River with naval support.
Confederate defenders abandon a position on the Mississippi River under artillery bombardment from John Pope’s Army of the Mississippi.