After Warren G. Harding died suddenly on August 2, 1923, Calvin Coolidge became President of the United States. Coolidge, who was serving as Vice President at the time, was sworn in as President on August 3, 1923, following the presidential line of succession. Coolidge was a Republican and a strong supporter of laissez-faire capitalism, and he is best known for his policies of fiscal conservatism and limited government intervention in the economy. He served as President until March 4, 1929, when he was succeeded by Herbert Hoover.