john pope
George McClellan
General John Pope
McClellan
pretty sure it was Irvin McDowell. But there were two different battles there.
General John Pope (Union) and Robert E. Lee (confederate)
First Bull Run - Irvin McDowell Second Bull Run - John Pope
First Bull Run - Irvin McDowell Second Bull Run - John Pope
For the First Bull Run, the Union commander was Major General Irvin McDowell. For the Second Bull Run, Major General John Pope led the Union armies.
First Bull Run - Irvin McDowell Second Bull Run - John Pope
First Bull Run - Irvin McDowell Second Bull Run - John Pope
Jackson
A Union victory was expected at the first Battle of Bull Run. It was indeed a shock to have suffered a defeat.