The Autobiography of Calvin Coolidge by Calvin Coolidge (1872-1933) with introduction and footnotes by Amity Shlaes and Matthew Denhart Calvin Coolidge became the 30th president of the United States on August 3, 1923 upon the death of President Warren G. Harding. He ran for reelection in 1924 and served one full term of his own. … Continue reading The Autobiography of Calvin Coolidge