What is William Henry Harrison?
{{Infobox officeholder | name = William Henry Harrison | image = William Henry Harrison by James Reid Lambdin, 1835.jpg | caption = 1835 portrait | order = 9th | office = President of the United States | vicepresident = John Tyler | term_start = March 4, 1841 | term_end = April 4, 1841 | predecessor = [[Martin Van Buren]] | successor = [[John Tyler]] | office1 = [[List of ambassadors of the United States to Colombia|United States Minister to Gran&nbsp;Colombia]] | president1 = {{ubl|[[John Quincy Adams]]|[[Andrew Jackson]]}} | term_start1 = February 5, 1829 | term_end1 = September 26, 1829 | predecessor1 = [[Beaufort Taylor Watts]] | successor1 = [[Thomas Patrick Moore]] | jr/sr2 = United States Senator | state2 = [[Ohio]] | term_start2 = March 4, 1825 | term_end2 = May 20, 1828 | predecessor2 = [[Ethan Allen Brown]] | successor2 = [[Jacob Burnet]] | state_senate3 = Ohio | district3 = [[Hamilton County, Ohio|Hamilton County]] | term_start3 = December 5, 1819 | term_end3 = December 2, 1821 | predecessor3 = Ephraim Brown | successor3 = Ephraim Brown | state4 = Ohio | district4 = {{ushr|OH|1|1st}} | term_start4 = October 8, 1816 | term_end4 = March 3, 1819 | predecessor4 = [[John McLean]] | successor4 = [[Thomas R. Ross]] | office5 = 1st [[Governor of Indiana|Governor of the Indiana Territory]] | appointer5 = [[John Adams]] | term_start5 = January 10, 1801 | term_end5 = December 28, 1812 | predecessor5 = Office established | successor5 = [[Thomas Posey]] | office6 = {{br entries|Delegate to the|[[United States House of Representatives|U.S. House of Representatives]]|from the [[Northwest Territory]]'s|[[Northwest Territory'