| A | B |
|---|
| 1775 | The Revolutionary War began. |
| 1776 | The colonies declared their independence. |
| 1783 | The Revolutionary War ended. |
| 1787 | The Founding Fathers wrote the Constitution. |
| 1791 | The Bill of Rights was added to the Constitution. |
| 1492 | Columbus came to America. |
| 1607 | Colonists settled in Jamestown, Virginia. |
| 1620 | The Pilgrims landed in Plymouth, Massachusetts. |
| 1621 | The Pilgrims and Native Americans celebrated Thanksgiving. |
| 1861 | The Civil War began. |
| 1865 | The Civil War ended. |
| 1863 | Lincoln issued the Emancipation Proclamation. |
| 1917 | The United States entered World War I. |
| 1941 | The United States entered World War II. |
| 2001 | Terrorists attacked the United States. |
| 1803 | The U.S. bought the Louisiana Territory. |
| 1920 | Women got the right to vote. |
