 In 1955, the small Ritchie Coliseum was replaced by ; games were moved to the larger Cole Field House, centrally located on campus, and when Maryland became a member of the Atlantic Coast Conference (ACC), the fanbase rapidly expanded.Millikan's tenure culminated in 1958 when Maryland won its first Atlantic Coast Conference tournament championship and advanced to the Elite Eight in the NCAA Tournament.In 1969, Lefty Driesell was hired by the University of Maryland.