Presidency of Calvin Coolidge

Calvin Coolidge's tenure as the 30th president of the United States began on August 2, 1923, when Coolidge became president upon Warren G. Harding's death, and ended on March 4, 1929. A Republican from Massachusetts, Coolidge had been vice president for 2 years, 151 days when he succeeded to the presidency upon the sudden death of Harding.

Source: Wikipedia — Presidency of Calvin Coolidge (CC BY-SA 4.0)