Nathaniel P. Banks launches another Federal offensive intended to capture eastern Texas and stop the flow of supplies into the Confederacy via Mexico.
A Federal army-navy expedition to the Texas-Louisiana border meets with embarrassing defeat by less than 50 Confederates defending Sabine Pass.
The defeat at Fredericksburg and the failed “Mud March” spark recriminations among the Federal army command, leading to wholesale changes.
As officers in the Federal Army of the Potomac voice opposition to their commander and the soldiers threaten mutiny, General Ambrose Burnside gives President Abraham Lincoln an ultimatum.
Driving rain in northern Virginia immobilizes the Federal Army of the Potomac and wreaks havoc on Ambrose E. Burnside’s plan to launch another offensive against the Confederates at Fredericksburg.
Ambrose E. Burnside prepares to launch another offensive intended to restore his reputation and revitalize the demoralized Army of the Potomac.