Beauregard was appointed a brigadier general in the Confederate Army, a testament to his reputation and experience. He was immediately thrust into a position of responsibility.

Beauregard was given command of Confederate forces in Charleston, South Carolina, placing him at the center of the secession crisis.

Under Beauregard's command, Confederate forces bombarded Fort Sumter in Charleston Harbor, marking the beginning of the American Civil War. This act catapulted him to national fame and solidified his place in history.

Beauregard played a crucial role in the Confederate victory at the First Battle of Bull Run, alongside General Joseph E. Johnston. The victory was a major morale boost for the Confederacy.