Nathaniel P. Banks launches another Federal offensive intended to capture eastern Texas and stop the flow of supplies into the Confederacy via Mexico.
The siege of Port Hudson continues to demoralize the Confederate defenders, while another Confederate army tries to break the siege by attacking Federal positions near New Orleans.
Edward R.S. Canby looks to unite all Federal forces in the New Mexico Territory, while Henry H. Sibley’s Confederates begin a grueling withdrawal from the territory due to lack of supplies.
Henry H. Sibley’s Confederate Army of New Mexico begins its mission to conquer the New Mexico Territory, culminating in a fight for a ford on the Rio Grande.
April 11, 1864 – The lowering water level on the Red River became a serious concern for Rear Admiral David D. Porter because it threatened
March 25, 1864 – Major General Nathaniel P. Banks assembled the largest Federal force west of the Mississippi River, but he soon ran into trouble.