| 1231-1808: |   |   |   | Papal Inquisition  from before birth until after line end | 
 
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  | 1478-1834: |  | 
  | 1754-1763: |   |   |   | French-Indian war  from before birth until age 1 | 
 
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  | 1756-1763: |   |   |   | Seven years war  from before birth until age 1 | 
 
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  | 1760-1820: |   |   |   | Reign of King George III (Hanover)  from before birth until after line end | 
 
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  | 1765: |  | 
  | 1765: |   |   |   | HMS Victory launched  at age 3 | 
 
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  | 1769: |   |   |   | San Francisco bay discovered  at age 7 | 
 
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  | 1770: |   |   |   | Boston Massacre - 5 people killed when British fire on mob  at age 8 | 
 
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  | 1772: |   |   |   | Judge Murray decrees that slaves are free on landing in England  at age 10 | 
 
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  | 1772-1775: |   |   |   | Antarctica circumnavigated by James Cook  from age 10 to age  13 | 
 
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  | 1773: |   |   |   | Boston Tea Party  at age 11 | 
 
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  | 1774: |   |   |   | 1st Continental Congress meets  at age 12 | 
 
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  | 1775-1783: |   |   |   | American Revolutionary War against the British  from age 13 to age  21 | 
 
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  | 1775-1782: |   |   |   | British war in India  from age 13 to age  20 | 
 
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  | 1776: |   |   |   | Declaration of Independence  at age 14 | 
 
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  | 1778: |   |   |   | Congress forbids import of slaves into America  at age 16 | 
 
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  | 1778: |   |   |   | France joins war against Britan  at age 16 | 
 
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  | 1780: |   |   |   | Benjamin Franklin discovers lightning is electricity  at age 18 | 
 
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  | 1781: |   |   |   | Uranus discovered  at age 19 | 
 
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  | 1783: |   |   |   | 1st working hot air balloon  at age 21 | 
 
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  | 1784: |   |   |   | Thomas Jefferson's proposal to ban slavery defeated  at age 22 | 
 
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  | 1786: |   |   |   | The Dollar is adopted  at age 24 | 
 
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  | 1786: |   |   |   | First attempts at indoor lighting with gas (UK, Germany)  at age 24 | 
 
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  | 1787: |   |   |   | New Jersey enters the union - 3rd  at age 25 | 
 
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  | 1787: |   |   |   | Constitution is approved by the constitutional congress  at age 25 | 
 
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  | 1787: |   |   |   | Delaware enters the union - 1st  at age 25 | 
 
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  | 1787: |   |   |   | Pennsylvania enters the union - 2nd  at age 25 | 
 
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  | 1788: |   |   |   | Georgia enters the union - 4th  at age 26 | 
 
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  | 1788: |   |   |   | Constitution goes into effect  at age 26 | 
 
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  | 1788: |   |   |   | New Hampshire enters the union - 9th  at age 26 | 
 
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  | 1788: |   |   |   | South Carolina enters the union - 8th  at age 26 | 
 
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  | 1788: |   |   |   | Connecticut enters the union - 5th  at age 26 | 
 
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  | 1788: |   |   |   | Maryland enters the union - 7th  at age 26 | 
 
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  | 1788: |   |   |   | Virginia enters the union - 10th  at age 26 | 
 
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  | 1788: |   |   |   | New York enters the union - 11th  at age 26 | 
 
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  | 1788: |   |   |   | Massachusetts enters the union - 6th  at age 26 | 
 
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  | 1789: |   |   |   | US Army Established  at age 27 | 
 
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  | 1789-1796: |   |   |   | George Washington selected 1st President  from age 27 until after line end | 
 
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  | 1789: |   |   |   | North Carolina enters the union - 12th  at age 27 | 
 
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  | 1790: |   |   |   | 1st official US census  at age 28 | 
 
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  | 1790: |   |   |   | Coast Guard Established  at age 28 | 
 
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  | 1790: |   |   |   | Rhode Island enters the union - 13th  at age 28 | 
 
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