Curriculum - American History 1816-1855
- Henry Clay
- Henry David Thoreau
- Henry Hobson Richardson
- Henry W. Halleck
- Henry Wadsworth Longfellow
- Henry Ward Beecher
- Herman Melville
- Hole-in-the-Day
- Hooker Jim
- Horace Greeley
- Horace Mann
- Horatio Alger
- Howe’s Sewing Machine
- Hudson's Bay Company
- Ignacio
- Independent Treasury Is Established
- Indian Removal Act
- Indian Territory
- Indian-white relations: Spanish colonial
- Indian-white relations: U.S., 1775-1830
- Indian-white relations: U.S., 1831-1870
- Inkpaduta
- Irateba
- Irish Potato Famine
- Irvin McDowell
- Isaac Hull
- Isaac Mayer Wise
- Isparhecher
- J. P. Morgan
- Jackson Is Elected President
- Jackson vs. the Bank of the United States
- James A. Garfield
- James Buchanan Eads
- James Ewell Brown Stuart
- James Fenimore Cooper
- James G. Blaine
- James Gadsden
- James Gibbons
- James Gordon Bennett
- James Jerome Hill
- James K. Polk
- James Kent
- James Longstreet
- James Madison
- James McNeill Whistler
- James Monroe
- Jay Cooke
- Jedediah Smith
- Jefferson Davis
- Jesse Chisholm
