Diocese of Saint Thomas the Apostle of Detroit

History

• 1982.01.11 Established as Apostolic Exarchate of United States of America
• 1985.08.03 Promoted as Diocese of Saint Thomas the Apostle of Detroit / Sancti Thomæ Apostoli Detroiten(sis) Chaldæorum (Latin) (without ecclesiastical province)
• 2002.05.21 Lost territory to establish Diocese of Saint Peter the Apostle of San Diego