AP United States History

Unit 1: Period 1: 1491–1607

Unit 2: Period 2: 1607–1754

Unit 3: Period 3: 1754–1800

Unit 4: Period 4: 1800–1848

Unit 5: Period 5: 1844–1877

Unit 6: Period 6: 1865–1898

Unit 7: Period 7: 1890–1945

Unit 8: Period 8: 1945–1980

Unit 9: Period 9: 1980–Present