Hosted by Western Michigan University's Medieval Institute, the International Congress on Medieval Studies is an annual gathering of around 3,000 scholars interested in medieval studies. The congress features 550-575 sessions of papers, panel discussions, roundtables, workshops and performances. There are also some 100 business meetings and receptions sponsored by learned societies, associations and institutions. The exhibits hall boasts nearly 70 exhibitors, including publishers, used book dealers and purveyors of medieval sundries. The congress lasts three and a half days, extending from Thursday morning, with sessions beginning at 10 a.m., until Sunday at noon.

The 55th International Congress on Medieval Studies will take place May 7–10, 2020.