 St. Peter's Pro-Cathedral

St. Peter's Church, also known as St. Peter's Pro-Cathedral, was a historic church in Baltimore, Maryland that served as the first Catholic pro-cathedral in the United States; first built in 1770, the church became the pro-cathedral of the Diocese of Baltimore when the diocese was created in 1789, and the seat of Archbishop John Carroll, the first Catholic bishop in the United States.The church was situated on the 300 block of Charles Street at Saratoga Street.