| 1231-1808: |   |   |   | Papal Inquisition  from before birth until age 1 | 
 
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  | 1478-1834: |  | 
  | 1760-1820: |   |   |   | Reign of King George III (Hanover)  from before birth until age 13 | 
 
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  | 1792-1815: |   |   |   | Napoleonic war  from before birth until age 8 | 
 
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  | 1800-1809: |   |   |   | Thomas Jefferson elected president of US  from before birth until age 2 | 
 
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  | 1807: |   |   |   | Robert Fulton makes 1st practical steamboat voyage  at age 0 | 
 
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  | 1808: |   |   |   | Import of new slaves into US Is banned  at age 1 | 
 
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  | 1808: |   |   |   | Pompeii excavation begins in earnest  at age 1 | 
 
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  | 1809-1816: |   |   |   | James Madison elected president of US  from age 2 to age  9 | 
 
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  | 1809: |   |   |   | Charles Darwin born  at age 2 | 
 
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  | 1810: |   |   |   | Homeopathy founded  at age 3 | 
 
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  | 1810: |   |   |   | US pop. reaches 7.2 million  at age 3 | 
 
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  | 1812: |   |   |   | Missouri organized as a territory  at age 5 | 
 
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  | 1812-1814: |   |   |   | War of 1812  from age 5 to age  7 | 
 
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  | 1812: |   |   |   | Louisiana enters the union - 18th  at age 5 | 
 
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  | 1815: |   |   |   | Sumbawa volcano (Indonesia) erupts; 50,000 killed  at age 8 | 
 
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  | 1815: |   |   |   | French outlaw slavery in France  at age 8 | 
 
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  | 1815: |   |   |   | Battle of Waterloo  at age 8 | 
 
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  | 1816: |  | 
  | 1816: |   |   |   | Indiana enters the union - 19th  at age 9 | 
 
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  | 1816: |   |   |   | Photographic Negative  at age 9 | 
 
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  | 1817-1824: |   |   |   | James Monroe president of US  from age 10 to age  17 | 
 
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  | 1817: |   |   |   | Mississippi enters the union - 20th  at age 10 | 
 
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  | 1817-1823: |   |   |   | 1st Cholera pandemic  from age 10 to age  16 | 
 
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  | 1817-1825: |   |   |   | Erie canal constructed  from age 10 to age  18 | 
 
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  | 1817: |   |   |   | Alabama organized as a territory  at age 10 | 
 
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  | 1817: |   |   |   | Pentrich Revolution - England's last revolution  at age 10 | 
 
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  | 1818: |   |   |   | Illinois enters the union - 21st  at age 11 | 
 
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  | 1818: |   |   |   | Savannah 1st steamship to cross the Atlantic  at age 11 | 
 
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  | 1819: |   |   |   | Oersted discovers electro-magnetism  at age 12 | 
 
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  | 1819: |   |   |   | Arkansas organized as a territory  at age 12 | 
 
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  | 1819: |   |   |   | Alabama enters the union - 22nd  at age 12 | 
 
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  | 1820: |   |   |   | Maine enters the union - 23rd  at age 13 | 
 
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  | 1820-1830: |   |   |   | Reign of King George IV (Hanover)  from age 13 to age  23 | 
 
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  | 1821: |   |   |   | 1st US women's college  at age 14 | 
 
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  | 1821: |   |   |   | US pop. reaches 9.2 million  at age 14 | 
 
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  | 1821-1829: |   |   |   | Greek war of Independence  from age 14 to age  22 | 
 
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  | 1821: |   |   |   | Missouri enters the union - 24th  at age 14 | 
 
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  | 1822: |   |   |   | Florida organized as a territory  at age 15 | 
 
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  | 1824-1828: |   |   |   | John Quincy Adams president of US  from age 17 to age  21 | 
 
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  | 1824: |   |   |   | Erie canal finished  at age 17 | 
 
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  | 1824: |   |   |   | Internal Combustion Engine  at age 17 | 
 
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  | 1826: |   |   |   | 1st railroad tunnel (England)  at age 19 | 
 
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  | 1827: |   |   |   | Ohms Law formulated  at age 20 | 
 
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  | 1827: |   |   |   | Ship's propeller (screw)  at age 20 | 
 
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  | 1827: |   |   |   | 1st Black newspaper Freedom's Journal  at age 20 | 
 
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  | 1828-1836: |   |   |   | Andrew Jackson president of US  from age 21 until after line end | 
 
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  | 1828: |   |   |   | 1st railroad in the US  at age 21 | 
 
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  | 1828: |   |   |   | 1st Webster's Dictionary  at age 21 | 
 
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  | 1829: |   |   |   | 1st US patent on a typewriter  at age 22 | 
 
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  | 1829-1851: |   |   |   | 2nd Cholera pandemic  from age 22 until after line end | 
 
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  | 1830-1860: |   |   |   | Underground railroad leads 100,000+ slaves to freedom in US  from age 23 until after line end | 
 
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  | 1830-1837: |   |   |   | Reign of King William IV (Hanover)  from age 23 until after line end | 
 
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  | 1830: |   |   |   | Mormons (Latter Day Saints) founded  at age 23 | 
 
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  | 1832: |   |   |   | Horse-drawn trolleys in New York  at age 25 | 
 
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