Remembering History: Mar. 31, 1925. Congress authorizes the Mount Rushmore National Memorial. Construction on the memorial began in 1927, and the presidents' faces were completed between 1934 and 1939.

Mar. 31, 1925. Congress authorizes the Mount Rushmore National Memorial. Construction on the memorial began in 1927, and the presidents' faces were completed between 1934 and 1939.

Mar. 31, 1925. Congress authorizes the Mount Rushmore National Memorial. Construction on the memorial began in 1927, and the presidents' faces were completed between 1934 and 1939.