William Henry Harrison was the ninth president of the United States (1841) and the first to die in office.

• William Henry Harrison was an American military officer and politician who served as the ninth president of the United States in 1841. He died of typhoid, pneumonia or paratyphoid fever 31 days into his term, becoming the first president to die in office.
• Born: February 9, 1773, Berkeley Plantation, VA
• Died: April 4, 1841, The White House, Washington, D.C.
• Presidential term: March 4, 1841 – April 4, 1841
• Vice president: John Tyler (1841)
• Children: John Scott Harrison, William Henry Harrison Jr, MORE
• Nicknames: General Mum, Van Ruin, Old Tippecanoe, Tippecanoe, Old Granny, The Cincinnatus of the West, Washington of the West
• First president elected as a Whig to the presidency.
• First president from Ohio.
• First president to have 10 or more biological children.
• First president to be born in the same county as his vice president.
• First president to not appoint anyone to the Supreme Court
• First president to not issue an executive order
• First president to give an inaugural address of more than 5,000 words.
• First president whose grandson (Benjamin Harrison) was also a president.
• First president to have his photograph taken while in office.
• First president to be over the age of 65 upon entering office.
• First president to die in office.
• First president to have been a brigadier general.
• First president to serve as ambassador to a South American country, having served as United States minister to Gran Colombia from 1828 to 1829.