| Term | Definition |
| 1526 | African slaves become first non-native settlers in S. Carolina |
| 1534 | French explorer Jacques Cartier goes to New Foundland |
| 1539 | De Soto explores Florida |
| 1565 | The Spanish establish a fort on St. Augustine Florida |
| 1607 | Jamestown founded |
| 1610 | Santa Fe, NM founded |
| 1614 | Albany, New York founded by Dutch |
| 1619 | First slave ship arrived in America |
| 1619 | House of Burgess, Jamestown Virginia |
| 1620 | Pilgrims settle Cape Cod, Plymouth Rock |
| 1624 | New Amsterdam founded by Dutch |
| 1629 | Puritans settle Massachusettes Bay Colony |
| 1636 | Rhode Island founded by Roger Williams |
| 1636 | Harvard founded |
| 1681 | Pennsyvania founded by William Penn |
| 1701 | Yale founded |
| 1704 | First successful newspaper founded |
| 1704 | Deerfield Massachusettes Massacre |
| 1733 | John Peter Zenger arrested and tried for liel for printing article scritical of the NY governor |
| 1769 | San Diego settled by Spaniards |
| 1754 - 1763 | French-Indian War (7 years war 1756) |
| 1775 | American Revolutionary War |
| 1776 | Decloration of Independence |
| 1776 | San Francisco presidio and mission Dolores founded |
| 1787 | U.S. Constitution propsed at convention |
| 1791 | Bill of Rights |
| 1846 - 1848 | War with Mexico |
| 1861 - 1865 | Civil War |
| 1865 - 1877 | First Reconstruction |
| 1882 | Chinese Exclusionary Act |
| 1896 | Plessy vs. Ferguson |
| 1898 | Spanish American War |
| 1914 | WWI |
| 1917 | Russian Revolution |
| 1920 | 19th Amendment ratified, Women's Suffrage |
| 1929 | Great Depression |
| 1941 | U.S. enters WWII |
| 1964 | Freedom Summer / 2nd Reconstruction |
| 1964 - 1975 | Gulf of Tonkin Resolution |
| 1965 | Cesar Chavez |
| 1986 | Iran / Contragate Scandal |