Calihan Hall is an 7,917-seat multi-purpose arena in Detroit, Michigan. It is home to the University of Detroit Mercy Titans basketball team. The arena opened in 1952. The building was dedicated on May 25, 1952 as the Memorial Building. The first basketball game was played on December 2 of that year when the Titans defeated Kalamazoo College, 75–61. In 1977, the name was changed to Calihan Hall in honor of the Titans' first basketball All-American Bob Calihan. The National Basketball Association (NBA) Detroit Pistons played some games in Calihan Hall in the late 1950s.