The presidency of Calvin Coolidge began on August 2, 1923, when Calvin Coolidge became the 30th president of the United States upon the sudden death of Warren G. Harding, and ended on March 4, 1929.
The presidency of Calvin Coolidge began on August 2, 1923, when Calvin Coolidge became the 30th president of the United States upon the sudden death of Warren G. Harding, and ended on March 4, 1929. (en)