William Henry Harrison was the ninth President of the United States, serving for just 31 days in 1841. He is known for having the shortest presidency in American history, as he died of pneumonia shortly after taking office. Before his presidency, Harrison was a military officer and gained fame for his role in the Battle of Tippecanoe against Native American forces. Harrison was born on February 9, 1773, in Virginia and later moved to Ohio. He was a member of the Whig Party and ran a successful campaign that emphasized his military experience. His death led to the first presidential succession crisis in U.S. history, as John Tyler assumed the presidency.