#history #history channel #history channel shows #history special #history documentary #watch history channel #watch history show #Abraham Lincoln #special #Abe Lincoln #battle #ciivil war #first battle #first battle of the civil war #confederate states #History #black history month #debates #the history channel #history channel documentaries #Graham Sibley #Barack Obama #Leadership: In Turbulent Times #Doris Kearns Goodwin #Saving the Union. #lincoln assassination #season 1