State Street Bank & Trust Company is established.

Originally the Union Bank, it is located for many years in a former residential building remodeled by Charles Bulfinch at 33 State Street. The oldest bank in continuous existence in Boston and second oldest in Massachusetts, it merges with the State Street Trust Company in 1925. The bank moves to 71 Federal Street in 1929 (1930), and to Franklin Street in 1966.* The bank becomes the State Street Bank and Trust Company with the merger of the Rockland-Atlas National Bank and the Second Bank-State Street Trust Company in 1961. It later becomes State Street Corp.