| A | B |
|---|
| 1787 | Constitution written to replace the Articles of Confederation |
| 1861-1865 | Civil War fought between the Confederate States of America (South) and the Union (North) |
| 1620 | Mayflower Compact written and signed by Pilgrims at Plymouth Rock |
| 1607 | Jamestown, Virginia Founded |
| 1776 | Thomas Jefferson wrote the Declaration of Independence |
| 1803 | Louisiana territory purchased from France |
| Exploration and Colonization | 1607 - 1763 |
| American Revolution | 1763 - 1781 |
| The New Republic | 1781 - 1828 |
| The Age of Jackson | 1828 - 1850 |
| Industry and Reform | 1850 - 1861 |
| Civil War and Reconstruction | 1861 - 1875 |
