| 1231-1808: |  |  |  | Papal Inquisition from before birth until age 13 |
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| 1478-1834: | |
| 1760-1820: |  |  |  | Reign of King George III (Hanover) from before birth until after line end |
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| 1789-1796: |  |  |  | George Washington selected 1st President from before birth until age 1 |
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| 1792-1815: |  |  |  | Napoleonic war from before birth until after line end |
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| 1796-1800: |  |  |  | John Adams elected 2nd president of US from age 1 to age 5 |
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| 1796: |  |  |  | Vaccination against Smallpox at age 1 |
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| 1796: |  |  |  | Tennesee enters the union - 16th at age 1 |
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| 1796: |  |  |  | France's presses get right of free speech at age 1 |
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| 1798: |  |  |  | US Marine Corps Established at age 3 |
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| 1798-1800: |  |  |  | Undeclared war with France from age 3 to age 5 |
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| 1798: |  |  |  | Mississippi organized as a territory at age 3 |
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| 1798: | |
| 1799: |  |  |  | Rosetta Stone found at age 4 |
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| 1800: |  |  |  | US capital moves from Philadelphia to Washington DC at age 5 |
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| 1800: |  |  |  | Russia annexes Georgia at age 5 |
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| 1800-1809: |  |  |  | Thomas Jefferson elected president of US from age 5 to age 14 |
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| 1800: |  |  |  | 1st Battery (Volta) at age 5 |
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| 1802: |  |  |  | Babylonian cuniform deciphered at age 7 |
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| 1803: |  |  |  | Ohio enters the union - 17th at age 8 |
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| 1803: |  |  |  | Louisiana Territory Purchased at age 8 |
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| 1803: |  |  |  | Fulton propels vessel by steampower at age 8 |
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| 1804: |  |  |  | Haiti independent - 1st black country in West. Hemis. at age 9 |
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| 1804-1806: |  |  |  | Lewis and Clark Expedition from age 9 to age 11 |
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| 1805: |  |  |  | Thomas Jefferson re-elected president of US at age 10 |
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| 1805: |  |  |  | Morphine isolated at age 10 |
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| 1807: |  |  |  | Robert Fulton makes 1st practical steamboat voyage at age 12 |
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| 1808: |  |  |  | Import of new slaves into US Is banned at age 13 |
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| 1808: |  |  |  | Pompeii excavation begins in earnest at age 13 |
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| 1809-1816: |  |  |  | James Madison elected president of US from age 14 until after line end |
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| 1809: |  |  |  | Charles Darwin born at age 14 |
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| 1810: |  |  |  | US pop. reaches 7.2 million at age 15 |
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| 1810: |  |  |  | Homeopathy founded at age 15 |
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| 1812-1814: |  |  |  | War of 1812 from age 17 to age 19 |
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| 1812: |  |  |  | Missouri organized as a territory at age 17 |
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| 1812: |  |  |  | Louisiana enters the union - 18th at age 17 |
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