| Years | Image | Event | Description | Keywords |
| 1614 | | Dutch explore the Connecticut River | | exploration, settlement, Connecticut |
| 1634 | | Massachusetts immigrants settle Wethersfield and Windsor, Connecticut | | Connecticut, colony, settlement |
| 1638 | | New Haven founded | | colony, settlement, Connecticut, Puritan |
| 1662 | | Connecticut receives royal charter | | charter, Connecticut |
| 1687 | | Governor Andros challenges Connecticut charter | | charter oak, Connecticut, Dominion |
| 1701 | | Yale College founded | | Connecticut |
| 1781 | | British attack Fort Griswold and burn New London, Connecticut | | |
| 1800 | | Population in Connecticut stagnates while Maine explodes | | population distribution |
| 1814 | | Hartford Convention considers secession | | Connecticut, Federalists, revolution |
| 1818 | | Daniel Wadsworth commissions a portrait of the Charter Oak | | charter oak, Connecticut |
| 1824 | | Lydia Sigourney, "Sketches of Connecticut Forty Years Since" | | |
| 1825 | | Connecticut Historical Society founded | | Connecticut, museums |
| 1836 | | John Warner Barber , "Historical Collections of Connecticut" | | |
| 1842 | | Wadsworth Atheneum opens in Hartford | Considered the nation's first public art museum. | Connecticut, museum |
| 1851 | | J.W. DeForest, "History of the Indians of Connecticut" | | |
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| 1851 | | Horace Bushnell speaks at Litchfield County Centennial | | Litchfield, Connecticut, homespun |
| 1856 | | Charter Oak toppled in a wind storm | The romance of the Charter Oak persists even today. | charter oak, Connecticut |
| 1915 | | Frank G. Speck, "Decorative Art of the Indian Tribes of Connecticut" | | |
