P. G. T. Beauregard P. G. T. Beauregard Pierre-Gustave Toutant de Beauregard (May 28, 1818 – February 20, 1893) was an American military officer who was the first prominent general of the Confederate States Army during the American Civil War. Today, he is commonly referred to as P. G. T. Beauregard, but he rarely used his first name as an adult. He signed correspondence as G. T. Beauregard. Trained as a civil engineer at the United States Military Academy, Beauregard served with distinction as an engineer in the Mexican–American War. Following a brief appointment as superintendent at West Point in 1861, after the South
Confederate Army of the Shenandoah Northern Virginia, with their merged army using the name "Army of the Potomac"; Johnston retained command of the army, with Beauregard remaining as second in command until his transfer to the western theater. Army of the Shenandoah: General Joseph E. Johnston Confederate Army of the Shenandoah The Army of the Shenandoah was an army of the Confederate States of America during the American Civil War; it was organized to defend the Shenandoah Valley of Virginia in the early months of the war. The army was transferred to reinforce the Confederate Army of the Potomac at the First Battle of Bull