His grandfather, William Henry Harrison (1773-1841), was ninth president of the United States.
He also wrote a campaign biography of William Henry Harrison (1839); Theory of Morals (1844); and Theory of Politics (1853), as well as Lives of Atrocious Judges (1856), compiled from Lord Campbell's two works.
The first settlers at Terre Haute built their cabins near Fort Harrison, which was erected by command of Governor William Henry Harrison in the winter of 1810-11.
Its last act in national politics was to nominate William Henry Harrison for president and John Tyler for vice-president at a convention in Philadelphia in November 1838.
When, on the 2nd of May 1840, some time after the nomination by the Whig party of William Henry Harrison for the Presidency, Greeley began the publication of a new weekly campaign paper, The Log Cabin, it sprang at once into a great circulation; 40,000 copies of the first number were sold, and it finally rose to 80,000.
After successfully establishing himself as a shoe manufacturer, he attracted attention as a public speaker in support of William Henry Harrison during the presidential campaign of 1840.