- Amerika Britania Raya
- Thomas Dale (disambiguasi)
- Pertempuran Waterloo
- 6 Desember
- Thomas Say
- Los Angeles
- William Guy Wall
- Sejarah Amerika Serikat
- Raphaelle Peale
- Daftar ibu kota di Amerika Serikat
- George Logan (Pennsylvania politician)
- 1820–1821 United States Senate election in Pennsylvania
- Pennsylvania
- Widener University
- 1820–21 United States House of Representatives elections
- John Brown (Pennsylvania politician)
- Lebanon County, Pennsylvania
- George Anson Starkweather (Pennsylvania lawyer)
- Charles Biddle
- 1821 Pennsylvania's 10th congressional district special election
