First Battle of Bull Run (3) tv-pg Play video Select your TV provider to log in to have full access to videos Select your TV provider See all providers Don't see your TV provider? Learn more You can access this video on the free HISTORY® app. *You must verify your TV provider towatch this video on the App Your Parental Control settings do not allow you to view this content. First Battle of Bull Run (3 min) tv-pg The unexperienced Union Army faces 30,000 Confederate troops in the first land battle of the Civil War. A Decisive Confederate victory signals that a long conflict lay ahead.