Beauregard's final privilege as an American citizen, the right to run for public office, was restored when he petitioned the Congress for relief and the bill on his behalf was signed by President Grant.

Beauregard was one of many Confederate officers issued a mass pardon by President Andrew Johnson.

Beauregard took the oath of loyalty.

Johnston and Beauregard were paroled in Greensboro.

Johnston and Beauregard surrendered to Sherman near Durham, North Carolina.

Beauregard was replaced in command by Joseph E. Johnston.

Sherman's army took Savannah.

President Davis met with Beauregard in Augusta, Georgia, and offered him command of the newly created Department of the West, responsible for the five Southern states from Georgia to the Mississippi River.

Beauregard's forces successfully defended Petersburg, Virginia, against an initial Union assault during the Second Battle of Petersburg. His strategic gamble to withdraw from the Bermuda Hundred defenses and reinforce the city was a key factor in preventing its capture.

Beauregard took command of the Department of North Carolina and Cape Fear, later renaming it the Department of North Carolina and Southern Virginia. This was a significant command responsibility focused on defending key Confederate supply lines.

Beauregard's wife, Caroline Deslonde, died in Union-occupied New Orleans after a long illness. Her death deeply affected Beauregard and impacted his subsequent actions.

Rear Admiral Samuel Francis Du Pont led a union ironclad attack against Fort Sumter that was repulsed by highly accurate artillery fire from Beauregard's forces.

Beauregard withdrew Confederate forces from Corinth, Mississippi, due to the overwhelming Union force and contaminated water supplies. This decision was controversial and contributed to his subsequent removal from command.

The second day of the Battle of Shiloh. Union forces, reinforced overnight, launched a counterattack, driving the Confederates from the field. This marked a strategic victory for the Union and a setback for Beauregard.

The Battle of Shiloh began, with Beauregard assuming command after General Albert Sidney Johnston was mortally wounded. Beauregard's decision to call off the attack at nightfall became one of the most controversial of the Civil War.

Beauregard was transferred to Tennessee to serve as second-in-command to General Albert Sidney Johnston in the Army of Mississippi. This marked a shift in his role from the Eastern Theater to the Western Theater of the Civil War.

The First Battle of Bull Run (First Manassas) took place, with Beauregard playing a key role in the Confederate victory alongside General Joseph E. Johnston. This battle was the first major land battle of the Civil War and a significant Confederate triumph.

Following a 34-hour bombardment ordered by Beauregard, Major Robert Anderson surrendered Fort Sumter to Confederate forces. This marked the beginning of the Civil War.

Beauregard ordered the bombardment of Fort Sumter in Charleston harbor, initiating the American Civil War. Negotiations for the fort's surrender had failed, and Beauregard's action marked a critical turning point in American history.

Beauregard arrived in Charleston, South Carolina, to take command of the city's defenses. He met with Governor Francis Wilkinson Pickens and inspected the harbor's defenses, finding them to be in disarray. This marked the beginning of his significant role in the events leading to the start of the Civil War.

Pierre Gustave Toutant-Beauregard was appointed a brigadier general in the Provisional Army of the Confederate States, becoming the first Confederate general officer. This marked his official transition from the U.S. Army to the Confederacy.