Curriculum - American History 1878-1900
- Grover Cleveland
- H. H. Arnold
- H. L. Mencken
- Harlan Fiske Stone
- Harriet Beecher Stowe
- Harriet Tubman
- Harvey Williams Cushing
- Hay’s “Open Door Notes”
- Hearst-Pulitzer Circulation War
- Helen Hunt Jackson
- Helen Keller
- Henry Adams
- Henry Barnard
- Henry Cabot Lodge
- Henry Chee Dodge
- Henry Ford
- Henry George
- Henry Hobson Richardson
- Henry James
- Henry L. Stimson
- Henry Morton Stanley
- Henry Wadsworth Longfellow
- Henry Ward Beecher
- Herbert Hoover
- Herman Melville
- Hollow Horn Bear
- Hooker Jim
- Hopkins Discovers Tryptophan, an Essential Amino Acid
- Horatio Alger
- Hosteen Klah
- Howling Wolf
- Hull House Opens
- Hump
- Hurricane Levels Galveston, Texas
- Husband Edward Kimmel
- Ida B. Wells-Barnett
- Ida Tarbell
- Ignacio
- Indian Offenses Act
- Indian Rights Association
- Indian Territory
- Indian-white relations: U.S., 1871-1933
- Inkpaduta
- Interstate Commerce Act
- Irvin McDowell
- Isaac Mayer Wise
- Isabella Stewart Gardner
- Isadora Duncan
- Isatai
- Ishi
