U.S. History
- Hartford Convention
- Hatch Act
- Hawley-Smoot Tariff Act
- Hay-Pauncefote Treaties
- Haymarket Square riot
- Health care reform
- Hepburn Act of 1906
- Highway Beautification Act of 1965
- Home Owners Loan Corporation
- Homestead Act
- Homestead strike
- Homework
- Hostage Crises
- House Un-American Activities Committee
- Housekeeping
- Huckleberry Finn
- Hunkers
- In Re Deb
- Incentive services
- Indentured servants