General







Period 1: 1491- 1607 (Newman/Chapter 1)




Period 2: 1607-1754 (Newman/Chapters 2-3)




Period 3: 1754-1800



Period 4: 1800-1848



Period 5: 1848-1877



Period 6: 1865-1896


Overview: Gilded Age


Articles:




Period 7: 1898-1945



Period 8: 1945-1980



Period 9: 1980-Present