2. William Henry Harrison
The US president who served shortest term in the office was William Henry Harrison.
William Henry Harrison was an American military officer and politician. He served as the 9th president of the United States. He was born on 9 February 1773 in Berkeley Plantation, Virginia, US.
He had the shortest presidency time in U.S. history. Henry Harrison died just 31 days after his inauguration on 4 April 1841. His presidential term was between 4 March 1841 to 4 April 1841.
He was from a political party called Whig Party.