| 1231-1808: | |  |  |  | Papal Inquisition  from before birth until age 15 | 
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  | 1478-1834: |  | 
  | 1760-1820: | |  |  |  | Reign of King George III (Hanover)  from before birth until age 27 | 
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  | 1789-1796: | |  |  |  | George Washington selected 1st President  from before birth until age 3 | 
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  | 1792-1815: | |  |  |  | Napoleonic war  from before birth until age 22 | 
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  | 1793: | |  |  |  | Eli Whitney invents Cotton Gin (increases need for slaves)  at age 0 | 
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  | 1793: | |  |  |  | Marie Antoinette beheaded  at age 0 | 
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  | 1794: | |  |  |  | Slavery abolished in French colonies  at age 1 | 
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  | 1794: | |  |  |  | US Post Office Established  at age 1 | 
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  | 1794: | |  |  |  | US Navy Established  at age 1 | 
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  | 1796-1800: | |  |  |  | John Adams elected 2nd president of US  from age 3 to age  7 | 
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  | 1796: | |  |  |  | Vaccination against Smallpox  at age 3 | 
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  | 1796: | |  |  |  | France's presses get right of free speech  at age 3 | 
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  | 1796: | |  |  |  | Tennesee enters the union - 16th  at age 3 | 
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  | 1798: | |  |  |  | Mississippi organized as a territory  at age 5 | 
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  | 1798-1800: | |  |  |  | Undeclared war with France  from age 5 to age  7 | 
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  | 1798: | |  |  |  | US Marine Corps Established  at age 5 | 
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  | 1798: |  | 
  | 1799: | |  |  |  | Rosetta Stone found  at age 6 | 
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  | 1800-1809: | |  |  |  | Thomas Jefferson elected president of US  from age 7 to age  16 | 
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  | 1800: | |  |  |  | 1st Battery (Volta)  at age 7 | 
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  | 1800: | |  |  |  | Russia annexes Georgia  at age 7 | 
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  | 1800: | |  |  |  | US capital moves from Philadelphia to Washington DC  at age 7 | 
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  | 1802: | |  |  |  | Babylonian cuniform deciphered  at age 9 | 
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  | 1803: | |  |  |  | Ohio enters the union - 17th  at age 10 | 
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  | 1803: | |  |  |  | Louisiana Territory Purchased  at age 10 | 
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  | 1803: | |  |  |  | Fulton propels vessel by steampower  at age 10 | 
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  | 1804-1806: | |  |  |  | Lewis and Clark Expedition  from age 11 to age  13 | 
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  | 1804: | |  |  |  | Haiti independent - 1st black country in West. Hemis.  at age 11 | 
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  | 1805: | |  |  |  | Morphine isolated  at age 12 | 
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  | 1805: | |  |  |  | Thomas Jefferson re-elected president of US  at age 12 | 
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  | 1807: | |  |  |  | Robert Fulton makes 1st practical steamboat voyage  at age 14 | 
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  | 1808: | |  |  |  | Pompeii excavation begins in earnest  at age 15 | 
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  | 1808: | |  |  |  | Import of new slaves into US Is banned  at age 15 | 
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  | 1809: | |  |  |  | Charles Darwin born  at age 16 | 
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  | 1809-1816: | |  |  |  | James Madison elected president of US  from age 16 to age  23 | 
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  | 1810: | |  |  |  | US pop. reaches 7.2 million  at age 17 | 
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  | 1810: | |  |  |  | Homeopathy founded  at age 17 | 
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  | 1812-1814: | |  |  |  | War of 1812  from age 19 to age  21 | 
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  | 1812: | |  |  |  | Missouri organized as a territory  at age 19 | 
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  | 1812: | |  |  |  | Louisiana enters the union - 18th  at age 19 | 
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  | 1815: | |  |  |  | Sumbawa volcano (Indonesia) erupts; 50,000 killed  at age 22 | 
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  | 1815: | |  |  |  | Battle of Waterloo  at age 22 | 
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  | 1815: | |  |  |  | French outlaw slavery in France  at age 22 | 
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  | 1816: | |  |  |  | Indiana enters the union - 19th  at age 23 | 
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  | 1816: |  | 
  | 1816: | |  |  |  | Photographic Negative  at age 23 | 
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  | 1817-1824: | |  |  |  | James Monroe president of US  from age 24 to age  31 | 
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  | 1817: | |  |  |  | Alabama organized as a territory  at age 24 | 
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  | 1817: | |  |  |  | Pentrich Revolution - England's last revolution  at age 24 | 
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  | 1817-1823: | |  |  |  | 1st Cholera pandemic  from age 24 to age  30 | 
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  | 1817: | |  |  |  | Mississippi enters the union - 20th  at age 24 | 
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  | 1817-1825: | |  |  |  | Erie canal constructed  from age 24 to age  32 | 
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  | 1818: | |  |  |  | Savannah 1st steamship to cross the Atlantic  at age 25 | 
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  | 1818: | |  |  |  | Illinois enters the union - 21st  at age 25 | 
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  | 1819: | |  |  |  | Alabama enters the union - 22nd  at age 26 | 
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  | 1819: | |  |  |  | Oersted discovers electro-magnetism  at age 26 | 
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  | 1819: | |  |  |  | Arkansas organized as a territory  at age 26 | 
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  | 1820: | |  |  |  | Maine enters the union - 23rd  at age 27 | 
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  | 1820-1830: | |  |  |  | Reign of King George IV (Hanover)  from age 27 to age  37 | 
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  | 1821: | |  |  |  | 1st US women's college  at age 28 | 
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  | 1821: | |  |  |  | US pop. reaches 9.2 million  at age 28 | 
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  | 1821: | |  |  |  | Missouri enters the union - 24th  at age 28 | 
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  | 1821-1829: | |  |  |  | Greek war of Independence  from age 28 to age  36 | 
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  | 1822: | |  |  |  | Florida organized as a territory  at age 29 | 
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  | 1824: | |  |  |  | Erie canal finished  at age 31 | 
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  | 1824: | |  |  |  | Internal Combustion Engine  at age 31 | 
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  | 1824-1828: | |  |  |  | John Quincy Adams president of US  from age 31 to age  35 | 
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  | 1826: | |  |  |  | 1st railroad tunnel (England)  at age 33 | 
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  | 1827: | |  |  |  | 1st Black newspaper Freedom's Journal  at age 34 | 
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  | 1827: | |  |  |  | Ship's propeller (screw)  at age 34 | 
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  | 1827: | |  |  |  | Ohms Law formulated  at age 34 | 
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  | 1828: | |  |  |  | 1st railroad in the US  at age 35 | 
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  | 1828: | |  |  |  | 1st Webster's Dictionary  at age 35 | 
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  | 1828-1836: | |  |  |  | Andrew Jackson president of US  from age 35 until after line end | 
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  | 1829-1851: | |  |  |  | 2nd Cholera pandemic  from age 36 until after line end | 
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  | 1829: | |  |  |  | 1st US patent on a typewriter  at age 36 | 
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  | 1830: | |  |  |  | Mormons (Latter Day Saints) founded  at age 37 | 
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  | 1830-1860: | |  |  |  | Underground railroad leads 100,000+ slaves to freedom in US  from age 37 until after line end | 
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  | 1830-1837: | |  |  |  | Reign of King William IV (Hanover)  from age 37 until after line end | 
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