The Battle of Bentonville was fought March 19–21, 1865, in Bentonville, North Carolina, near the current town of Four Oaks, as part of the Carolinas Campaign of the American Civil War. It was the last major battle to occur between the armies of Maj. Gen. William T. Sherman and Gen. Joseph E. Johnston. In light of overwhelming enemy strength and the relatively heavy casualties his army suffered in the battle, Johnston surrendered to Sherman little more than a month later at Bennett Place, near Durham Station. Coupled with Gen. Robert E. Lee's surrender earlier in April, Johnston's surrender represented the effective end of the war.
Slocum had called for aid from Sherman during the afternoon attacks, and Johnston, knowing he would soon be heavily outnumbered, used his left flank to cover his only available retreat path over Mill Creek. Howard's wing arrived on the field late on the afternoon of March 20 and extended Slocum's right flank. Only light skirmishing occurred on this day.
On March 21, Union Maj. Gen. Joseph A. Mower launched an unauthorized attack on the Confederate left flank, which was defending Mill Creek Bridge. Mower's men managed to come within one mile of the crossing before Sherman peremptorily ordered them to pull back. In his memoirs, Sherman admitted that this was a mistake and that he missed an opportunity to end the campaign then and there, perhaps capturing Johnston's army entirely. Among the Confederate casualties was Lt. Gen. William J. Hardee's 16-year-old son, Willie. Hardee had reluctantly allowed his son to attach himself to the 8th Texas Cavalry just hours before Mower's attack.
During the night, Johnston withdrew his army across Mill Creek and burned the bridge behind him. Sherman took little notice and did not pursue the Confederates, but continued his march to Goldsboro. The Confederate army had failed in its last chance to achieve a decisive victory over the Union army in North Carolina.
The site of the battle is preserved as Bentonville Battlefield, which was declared a National Historic Landmark in 1996.