By Joe Bukuras Washington D.C., Dec 8, 2021 / 10:37 am The Basilica of the National Shrine of the Immaculate Conception is the largest Roman Catholic Church in the United States.

On the C-SPAN Networks: Basilica of the National Shrine of the Immaculate Conception (Washington, DC) has hosted 2 events in the C-SPAN Video Library; the first program was a 2015 Ceremony.

Mary, under her title of the Immaculate Conception, has been patroness of the United States since the mid-19th century. But her protection of the nation dates back to its earliest history.