Who was the people involved in the first bull run?

The first bull run, known as the First Battle of Bull Run, took place on July 21, 1861, during the American Civil War. Key figures involved included Confederate General Pierre G. T. Beauregard and General Joseph E. Johnston, who led the Confederate forces to victory, while Union forces were commanded by Brigadier General Irvin McDowell. This battle marked the first major clash between the Union and Confederate armies, highlighting the war's intensity and foreshadowing its duration.