What was the significance of the federal court case won by james meredith in 1962?

James Meredith won a case in 1962 that enabled him to enlist in the University of Mississippi, or as nicknamed Ole Miss. The Uni. had beforehand been all-white, and it was a major ordeal that he won the case and was permitted there. When he arrived, he was not allowed in; President Kennedy commanded that he be taken to the registrar's office.