1879 – The American College Baseball Association is founded in Springfield, MA. The six schools forming the group are Harvard‚ Yale‚ Princeton‚ Amherst‚ Dartmouth‚ and Brown‚ and they vote to exclude professional players from their teams. Yale‚ with the best team‚ will withdraw from the Association and only five teams will compete for the pennant in 1880. Princeton will win the 1880 season with a 6-2 record‚ though Yale will go 7-1. Yale will rejoin in 1881 and go 7-3‚ tops of the 6.