James Buchanan, the 15th President of the United States, served from 1857 to 1861 during one of the most turbulent..

James Buchanan, the 15th President of the United States, served from 1857 to 1861 during one of the most turbulent..
Calvin Coolidge, born John Calvin Coolidge Jr. on July 4, 1872, was the 30th President of the United States, serving..