Federal forces remain on Morris Island to threaten both Battery Wagner and Charleston, South Carolina, but the high command determines that more men are needed to finish the job.
Federal occupation forces complete the parole process at Vicksburg, establish medical relief, and regulate slave relations as news of the city’s capture reaches Washington.
Federal forces unsuccessfully attack Battery Wagner near Charleston Harbor, and then prepare to try again.
Nathaniel P. Banks’s Federal Army of the Gulf captures the last Confederate stronghold on the Mississippi River, opening the waterway to Federal commerce and cutting the Confederacy in two.
Federal army-navy forces step up efforts to capture the vital port of Charleston, South Carolina, by focusing on the Confederate batteries on the islands south of the harbor.
Confederates in Arkansas try to relieve the Vicksburg garrison by launching a futile attack on the Federal garrison at Helena.