Calvin Coolidge, born on July 4, 1872, was the 30th President of the United States. He served from 1923 to 1929 and was known for his quiet demeanor and conservative policies. Coolidge was a firm believer in limited government intervention in the economy and is credited with helping to usher in a period of prosperity known as the Roaring Twenties. He was a man of few words but had a strong sense of duty and integrity. Coolidge's leadership during his time in office was marked by economic growth and stability. His presidency was also known for the signing of the Kellogg-Briand Pact, which aimed to outlaw war as an instrument of national policy. Coolidge passed away on January 5, 1933, leaving behind a legacy of steadfast leadership and economic prosperity.