The first Battle of Bull Run was won by the Confederacy. General McDowell's army was defeated by Southern armies led by generals PT Beauregard and Johnston.
First Battle of Bull RunThe 1st Bull Run was in fact the first battle of the Civil War. The Attack on Fort Sumter only "led" to the Civil War.
The Confederates won the first major battle of the US Civil War, also know as the First Battle of Bull Run. They nearly lost, but after a new train load of fresh Confederate troops arrived, the Union fell apart and soldiers ran north.
That neither side was ready for operations
Assuming you mean First Bull Run... It demonstrated that neither side was ready for combat, and that it wasn't going to the short war that everyone had hoped for.
ANSWER The South.
First battle of bull run was the answer.First Bull Run (Manassas) , July 1861 .It was the First Battle of Manassas(Bull Run). The battle took place on July 21, 1861. It was a Confederate victory.The Battle at Bull RunThe first major general engagement was known as Manassas or Bull Run. It is known by two names because Union forces named battles generally after bodies of water (in this case, Bull Run) while Confederates named battles generally after the closest city or town.The first battle of the Civil War that led up to the US Civil War was the capture of Federal Fort Sumter, on April 12-13, 1861. The garrison at Fort Sumter, in the harbor of Charleston, SC, was bombarded overnight and surrendered and evacuated the following day. No one was killed on either side, but an accident caused two Union deaths during a 100-gun salute to the lowering Union flag.The first major engagement of the US Civil War took place on July 21, 1861 at the Battle of Bull Run (near Manassas, VA) where the Union suffered a surprising defeat. The Battle of Bull Run (1861) is often called the First Battle of Bull Run, to differentiate between the Second Battle of Bull Run in 1862. In the American South, it can sometimes be referred to as the Battle of Manassas.The first battle of the Civil War was Fort Sumter, on April 12-13, 1861. The garrison at Fort Sumter, in the harbor of Charleston, SC, was bombarded overnight and surrendered and evacuated the following day. No one was killed on either side, but an accident caused two Union deaths during a 100-gun salute to the lowering Union flag.The first major engagement of the US Civil War took place on July 21, 1861 at the Battle of Bull Run (near Manassas, VA) where the Union suffered a surprising defeat. The Battle of Bull Run (1861) is often called the First Battle of Bull Run, to differentiate between the Second Battle of Bull Run in 1862. In the American South, it can sometimes be referred to as the Battle of Manassas.
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Neither side was ready for operations, as demonstrated at the First Battle of bull Run. They still had to recruit, train and equip large armies.
Their attitudes about war were very similar - the Civil War would be short, glorious and a victory for their own side. This battle proved them wrong.
First Bull Run/Manassas
Joseph E. Johnston and P.G.T. Beauregard
The Union fell apart and Soldiers ran North.