https://www.pbslearningmedia.org/collection/black-jack-pershing-love-and-war/
Black Jack Pershing: Love and War tells the story of General John J. Pershing, commander of the American Expeditionary Forces in World War I and the only...
black jack pershingpbs learningmedialovewar
https://www.answers.com/military-history/How_did_John_J_Pershing_get_the_nickname_Black_Jack
He was called Black Jack as a young officer because he commanded black troopers in the 1oth US Cavalry.
john j pershingblack jackgetnickname