| 1231-1808: |  |  |  | Papal Inquisition from before birth until after line end |
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| 1478-1834: | |
| 1727-1760: |  |  |  | Reign of King George II (Hanover) from before birth until age 2 |
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| 1754-1763: |  |  |  | French-Indian war from before birth until age 5 |
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| 1756-1763: |  |  |  | Seven years war from before birth until age 5 |
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| 1758: |  |  |  | Halley's Comet (1st predicted appearance) at age 0 |
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| 1760-1820: |  |  |  | Reign of King George III (Hanover) from age 2 until after line end |
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| 1760: | |
| 1765: | |
| 1765: |  |  |  | HMS Victory launched at age 7 |
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| 1769: |  |  |  | San Francisco bay discovered at age 11 |
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| 1770: |  |  |  | Boston Massacre - 5 people killed when British fire on mob at age 12 |
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| 1772-1775: |  |  |  | Antarctica circumnavigated by James Cook from age 14 to age 17 |
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| 1772: |  |  |  | Judge Murray decrees that slaves are free on landing in England at age 14 |
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| 1773: |  |  |  | Boston Tea Party at age 15 |
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| 1774: |  |  |  | 1st Continental Congress meets at age 16 |
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| 1775-1782: |  |  |  | British war in India from age 17 to age 24 |
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| 1775-1783: |  |  |  | American Revolutionary War against the British from age 17 to age 25 |
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| 1776: |  |  |  | Declaration of Independence at age 18 |
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| 1778: |  |  |  | France joins war against Britan at age 20 |
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| 1778: |  |  |  | Congress forbids import of slaves into America at age 20 |
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| 1780: |  |  |  | Benjamin Franklin discovers lightning is electricity at age 22 |
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| 1781: |  |  |  | Uranus discovered at age 23 |
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| 1783: |  |  |  | 1st working hot air balloon at age 25 |
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| 1784: |  |  |  | Thomas Jefferson's proposal to ban slavery defeated at age 26 |
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| 1786: |  |  |  | The Dollar is adopted at age 28 |
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| 1786: |  |  |  | First attempts at indoor lighting with gas (UK, Germany) at age 28 |
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| 1787: |  |  |  | Constitution is approved by the constitutional congress at age 29 |
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| 1787: |  |  |  | New Jersey enters the union - 3rd at age 29 |
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| 1787: |  |  |  | Pennsylvania enters the union - 2nd at age 29 |
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| 1787: |  |  |  | Delaware enters the union - 1st at age 29 |
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| 1788: |  |  |  | Virginia enters the union - 10th at age 30 |
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| 1788: |  |  |  | New York enters the union - 11th at age 30 |
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| 1788: |  |  |  | Constitution goes into effect at age 30 |
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| 1788: |  |  |  | New Hampshire enters the union - 9th at age 30 |
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| 1788: |  |  |  | South Carolina enters the union - 8th at age 30 |
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| 1788: |  |  |  | Maryland enters the union - 7th at age 30 |
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| 1788: |  |  |  | Connecticut enters the union - 5th at age 30 |
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| 1788: |  |  |  | Georgia enters the union - 4th at age 30 |
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| 1788: |  |  |  | Massachusetts enters the union - 6th at age 30 |
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