Question: Who claimed victory at the first battle of bull run?

Disambiguated questions and answers:
context: No context provided
question: Which unrecognized republic claimed victory at the first battle of bull run?
short_answers: Confederate States
Confederacy
CSA
C.S.
Confederate States of America
context: No context provided
question: Which military commanders claimed victory at the first battle of bull run?
short_answers: P. G. T. Beauregard
Thomas "Stonewall" Jackson
Joseph E. Johnston
context: No context provided
question: Which political leader claimed victory at the first battle of bull run?
short_answers: Jefferson Davis

Long-form answers:
knowledge: content: The First Battle of Bull Run (the name used by Union forces), also known as the Battle of First Manassas[1] (the name used by Confederate forces), was the first major battle of the American Civil War. 
wikipage: First Battle of Bull Run
content: Since their combined army had been left highly disorganized as well, Beauregard and Johnston did not fully press their advantage, despite urging from Confederate President Jefferson Davis, who had arrived on the battlefield to see the Union soldiers retreating.
wikipage: First Battle of Bull Run
long_answer: The Confederacy led by Confederate President Jefferson Davis won the Battle of Bull Run, with military commanders P. G. T. Beauregard, Thomas "Stonewall" Jackson and Joseph E. Johnston.
knowledge: content: The First Battle of Bull Run (the name used by Union forces), also known as the Battle of First Manassas[1] (the name used by Confederate forces), was the first major battle of the American Civil War.
wikipage: First Battle of Bull Run
content: It was a Confederate victory, followed by a disorganized retreat of the Union forces.
wikipage: First Battle of Bull Run
content: Pierre Gustave Toutant-Beauregard (May 28, 1818 – February 20, 1893) was a Confederate general officer who started the American Civil War by leading the attack on Fort Sumter on April 12, 1861.
wikipage: P. G. T. Beauregard
content: Thomas Jonathan "Stonewall" Jackson (January 21, 1824 – May 10, 1863) served as a Confederate general (1861–1863) during the American Civil War, and became one of the best-known Confederate commanders after General Robert E. Lee.[2]
wikipage: Stonewall Jackson
content: After Virginia seceded from the Union, he entered the Confederate States Army as one of its most senior general officers.
wikipage: Joseph E. Johnston
content: Jefferson Finis Davis[a] (June 3, 1808 – December 6, 1889) was an American politician who served as the president of the Confederate States from 1861 to 1865.
wikipage: Jefferson Davis
long_answer: The First Battle of Bull Run, the name used by Union forces, also known as the Battle of First Manassas, the name used by Confederate forces, was the first major battle of the American Civil War. It was a victory for the Confederacy, followed by a disorganized retreat of the Union forces. P. G. T. Beauregard, a Confederate general officer, Thomas "Stonewall Jackson, who became one of the best-known Confederate commanders after General Robert E. Lee, and Joseph E. Johnston, one of the most senior general officers of the Confederate States Army, claimed victory at the First Battle of Bull Run. Jefferson Davis, who served as the president of the Confederate States from 1861 to 1865, also claimed it as a victory.