The result of the Battle of Bull Run in 1861 was a significant victory for the Confederate Army, marking the first major battle of the American Civil War. Fought on July 21, the battle took place near Manassas, Virginia, and involved inexperienced troops on both sides. Despite initial Union advances, Confederate reinforcements turned the tide, leading to a chaotic Union retreat. The Confederate victory bolstered Southern morale and underscored the war's potential duration. It also led to a reevaluation of military strategies on both sides and the realization that the conflict would be more brutal and prolonged than initially anticipated.