Calvin Coolidge was president of the United States from 1923 to 1929. Coolidge was known for his quiet demeanor, which earned him the nickname “Silent Cal.”

• Calvin Coolidge was an American politician and lawyer who served as the 30th president of the United States from 1923 to 1929. A Republican lawyer from New England, born in Vermont, Coolidge worked his way up the ladder of Massachusetts state politics, eventually becoming governor.
• Born: July 4, 1872, Plymouth Notch, Plymouth, VT
• Died: January 5, 1933, Northampton, MA
• Presidential term: August 2, 1923 – March 4, 1929
• Party: Republican Party
• Vice president: Charles G. Dawes (1925–1929)
• Nicknames: Silent Cal, Cool Cal, The Sphinx of the Potomac, Cautious Cal
• First president to be sworn in by his father, John Calvin Coolidge, Sr, following the death of Harding.
• First president to be sworn in by another president (William Howard Taft, who was chief justice at the time of the second inauguration of Coolidge in 1925).
• First president to give a radio broadcast from the White House.
• First president to be filmed with sound recording.
• First president to visit Cuba while in office.
• First president to be a Congregationalist.Template:Says whom
• First president to appear on US coinage while alive.
• First president to appear on US coinage while in office.
• First president with any portion of Native American ancestry.
• First president who was a multiracial American.
• First president born on Independence Day.
• First president to serve as both governor and lieutenant governor of a state, having served as lieutenant governor of Massachusetts from 1916 to 1919 and governor of Massachusetts from 1919 to 1921.