It’s Official! Dated August 26, 1885, this certificate of U.S. naturalization was granted to Andrew Carnegie in New York City upon his presentation of a copy of the “statement of intention to become a citizen” made by his father, William Carnegie, to the country clerk in Allegheny County, Pennsylvania, in 1854. (Photo: Carnegie Corporation of New York Records, Rare Book & Manuscript Library, Columbia University, New York)