http://www.civilwar.org/battlefields/bullrun.html?tab=facts estimated 847 American soldiers Civil War Trust: Bull Run Civil War Trust: Bull Run http://www.civilwar.org/battlefields/bullrun.html?tab=facts http://www.civilwar.org/battlefields/bullrun.html?tab=facts http://www.civilwar.org/battlefields/bullrun.html?tab=facts http://www.civilwar.org/battlefields/bullrun.html?tab=facts Civil War Trust: Bull Run civilwar.org http://www.civilwar.org/battlefields/bullrun.html?tab=facts