what was the significance of the 1st battle of bull run
However, approximately 5,000 men died. Of those, 3,000 were Union soldiers. Significance of the First Battle of Bull Run: This was the first major land battle of the Civil War. It was also the battle that made the war become real to many.Before the First Battle of Bull Run, many in the north and the south had romanticized the war.owever, approximately 5,000 men died. Of those, 3,000 were Union soldiers. Significance of the First Battle of Bull Run: This was the first major land battle of the Civil War. It was also the battle that made the war become real to many.