John A. McClernand reorganizes his Federal forces and acts upon William T. Sherman’s recommendation to attack a Confederate fort on the Arkansas River.

Exploring the most important 55 months in American history
John A. McClernand reorganizes his Federal forces and acts upon William T. Sherman’s recommendation to attack a Confederate fort on the Arkansas River.
William T. Sherman launches a costly attack on fortified Confederate defenses northeast of Vicksburg, Mississippi.
Confederate forces hurry to defend Chickasaw Bluffs north of Vicksburg, Mississippi, as Federal troops under William T. Sherman struggle to reach them.
Ulysses S. Grant prepares to continue his Federal drive toward Vicksburg while a detachment under William T. Sherman prepares to move on Vicksburg from the Mississippi, and a Federal gunboat is destroyed by torpedo for the first time.
As Henry W. Halleck prepares to go to Washington to become general-in-chief, he reorganizes the armies within his Department of the Mississippi.
Less than 48 hours after leaving the Peninsula, Abraham Lincoln names Henry W. Halleck to become commander of all U.S. armies.