American Catholic Historical Association

The American Catholic Historical Association (ACHA) is an organization dedicated to studying and promoting understanding of the history of the Catholic Church in the United States. It brings together scholars, historians, and students to share research, publish scholarly work, and discuss topics related to Catholic history, culture, and influence. Founded in 1919, ACHA aims to foster rigorous historical scholarship and foster dialogue about the role of Catholicism in American society across different periods and communities. It contributes to both academic and public understanding of how Catholicism has shaped and been shaped by American history.