Complex sentence: In 1889, Barnum donated the stuffed Jumbo to Tufts University, where it was displayed at P.T. Barnum Hall for many years; a superstition held that dropping a coin into a nostril of the trunk would bring a good grade on an examination.
Split into simpler sentences: In 1889, Barnum donated the stuffed Jumbo to Tufts University, where it was displayed at P.T. Barnum Hall for many years. Jumbo's hide remained at Tufts University, where it was displayed at P.T. Barnum Hall for many years; a superstition held that dropping a coin into a nostril of the trunk would bring a good grade on an examination.