Maryland was a founding member of the Southern Conference in 1921, a founding member of the Atlantic Coast Conference in 1952, and is now a member of the Big Ten Conference. The nickname was coined in 1932 by Dr. Harry C. Curley Byrd, then the school's football coach and later the school's president.
Yes, hide glue is made from boiling hides and connective tissue. Hoof glue from hooves. Fish glue from fish skin and bones.
Many of the chemicals in some glues comes from the protein of waste animals, including horses. I know that at least in Australia, all materials in glue are now synthetic. Also, don't let anyone tell you that chewing gum is still made out of cows feet. They slaughter horses for their meat.