| 1478-1834: |  | 
  | 1760-1820: |   |   |   | Reign of King George III (Hanover)  from before birth until age 0 | 
 
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  | 1817-1823: |   |   |   | 1st Cholera pandemic  from before birth until age 3 | 
 
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  | 1817-1824: |   |   |   | James Monroe president of US  from before birth until age 4 | 
 
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  | 1817-1825: |   |   |   | Erie canal constructed  from before birth until age 5 | 
 
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  | 1820-1830: |   |   |   | Reign of King George IV (Hanover)  from age 0 to age  10 | 
 
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  | 1820: |   |   |   | Maine enters the union - 23rd  at age 0 | 
 
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  | 1821-1829: |   |   |   | Greek war of Independence  from age 1 to age  9 | 
 
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  | 1821: |   |   |   | US pop. reaches 9.2 million  at age 1 | 
 
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  | 1821: |   |   |   | Missouri enters the union - 24th  at age 1 | 
 
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  | 1821: |   |   |   | 1st US women's college  at age 1 | 
 
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  | 1822: |   |   |   | Florida organized as a territory  at age 2 | 
 
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  | 1824: |   |   |   | Internal Combustion Engine  at age 4 | 
 
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  | 1824-1828: |   |   |   | John Quincy Adams president of US  from age 4 to age  8 | 
 
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  | 1824: |   |   |   | Erie canal finished  at age 4 | 
 
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  | 1826: |   |   |   | 1st railroad tunnel (England)  at age 6 | 
 
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  | 1827: |   |   |   | 1st Black newspaper Freedom's Journal  at age 7 | 
 
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  | 1827: |   |   |   | Ship's propeller (screw)  at age 7 | 
 
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  | 1827: |   |   |   | Ohms Law formulated  at age 7 | 
 
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  | 1828: |   |   |   | 1st railroad in the US  at age 8 | 
 
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  | 1828: |   |   |   | 1st Webster's Dictionary  at age 8 | 
 
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  | 1828-1836: |   |   |   | Andrew Jackson president of US  from age 8 to age  16 | 
 
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  | 1829-1851: |   |   |   | 2nd Cholera pandemic  from age 9 to age  31 | 
 
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  | 1829: |   |   |   | 1st US patent on a typewriter  at age 9 | 
 
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  | 1830-1860: |   |   |   | Underground railroad leads 100,000+ slaves to freedom in US  from age 10 to age  40 | 
 
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  | 1830-1837: |   |   |   | Reign of King William IV (Hanover)  from age 10 to age  17 | 
 
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  | 1830: |   |   |   | Mormons (Latter Day Saints) founded  at age 10 | 
 
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  | 1832: |   |   |   | Horse-drawn trolleys in New York  at age 12 | 
 
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  | 1833: |  | 
  | 1833: |   |   |   | Slavery abolished in British Empire (home and colonies)  at age 13 | 
 
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  | 1834: |   |   |   | Modern computer conceived by Charles Babbage  at age 14 | 
 
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  | 1835-1842: |   |   |   | 2nd Seminole War  from age 15 to age  22 | 
 
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  | 1835: |   |   |   | Mormon leader Joseph Smith prophesies of 'coming of lord' by 1891  at age 15 | 
 
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  | 1835: |  | 
  | 1836: |   |   |   | Texas war for independence from Mexico  at age 16 | 
 
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  | 1836: |   |   |   | Arkansas enters the union -25th  at age 16 | 
 
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  | 1836: |   |   |   | Battle of the Alamo  at age 16 | 
 
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  | 1837-1840: |   |   |   | Martin Van Buren president of US  from age 17 to age  20 | 
 
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  | 1837-1901: |   |   |   | Reign of Queen Victoria (Hanover)  from age 17 to age  81 | 
 
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  | 1837: |   |   |   | Michigan enters the union - 26th  at age 17 | 
 
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  | 1837: |   |   |   | Depression and Panic in the US - inflation, speculation  at age 17 | 
 
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  | 1838-1839: |   |   |   | Forced relocation of Cherokee  from age 18 to age  19 | 
 
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  | 1839-1842: |   |   |   | Opium war between China and the English  from age 19 to age  22 | 
 
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  | 1841-1844: |   |   |   | John Tyler president of US  from age 21 to age  24 | 
 
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  | 1842: |   |   |   | Chinese cede Hong Kong to the English  at age 22 | 
 
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  | 1844: |   |   |   | 1st telegraph line message, Washington to New York  at age 24 | 
 
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  | 1845: |   |   |   | Texas enters the union - 28th  at age 25 | 
 
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  | 1845-1848: |   |   |   | James K Polk president of US  from age 25 to age  28 | 
 
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  | 1845-1849: |   |   |   | Irish Potato Famine  from age 25 to age  29 | 
 
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  | 1845: |   |   |   | Florida enters the union - 27th  at age 25 | 
 
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  | 1846-1848: |   |   |   | The Mexican-US War  from age 26 to age  28 | 
 
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  | 1846: |   |   |   | Iowa enters the union - 29th  at age 26 | 
 
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  | 1848: |   |   |   | Oregon organized as a territory  at age 28 | 
 
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  | 1848-1856: |   |   |   | 1st gold rush in California -- Sutters Mill  from age 28 to age  36 | 
 
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  | 1848: |   |   |   | Wisconsin enters the union - 30th  at age 28 | 
 
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  | 1848: |   |   |   | NY allows women to own real estate  at age 28 | 
 
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  | 1849-1852: |   |   |   | Zachary Taylor president of the US  from age 29 to age  32 | 
 
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  | 1849: |   |   |   | Fizeau measures speed of light  at age 29 | 
 
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  | 1850: |   |   |   | California enters the union - 31st  at age 30 | 
 
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  | 1850: |   |   |   | World pop. est. at 1.1 billion  at age 30 | 
 
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  | 1850: |   |   |   | New Mexico organized as a territory  at age 30 | 
 
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  | 1850: |   |   |   | Utah (included Nevada) organized as a territory  at age 30 | 
 
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  | 1850: |   |   |   | US pop reaches 23 million  at age 30 | 
 
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  | 1851: |   |   |   | Gold rush in Australia  at age 31 | 
 
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  | 1852-1859: |   |   |   | 3rd Cholera pandemic  from age 32 to age  39 | 
 
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  | 1853-1856: |   |   |   | Franklin Pierce president of US  from age 33 to age  36 | 
 
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  | 1853: |   |   |   | Washington (included pt. of Idaho) organized as a territory  at age 33 | 
 
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  | 1854: |   |   |   | Nebraska organized as a territory  at age 34 | 
 
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  | 1854: |   |   |   | Kansas  organized as a territory  at age 34 | 
 
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  | 1854-1856: |   |   |   | Crimean War  from age 34 to age  36 | 
 
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  | 1857-1860: |   |   |   | James Buchanan president of US  from age 37 to age  40 | 
 
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  | 1857: |   |   |   | Dred Scott decision: Blacks could not be US citizens  at age 37 | 
 
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  | 1857-1866: |   |   |   | Transatlantic cable laid  from age 37 to age  46 | 
 
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  | 1858: |   |   |   | Minnesota enters the union - 32nd  at age 38 | 
 
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  | 1858: |   |   |   | India bill transfers government of India to England  at age 38 | 
 
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  | 1859: |  | 
  | 1859: |   |   |   | Oregon enters the union - 33rd  at age 39 | 
 
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  | 1859: |   |   |   | Darwin pub. Origin Of Species  at age 39 | 
 
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  | 1860: |   |   |   | South Carolina Secedes from the Union  at age 40 | 
 
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  | 1860: |   |   |   | Rifled barrel invented  at age 40 | 
 
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  | 1861: |   |   |   | Nevada organized as a territory  at age 41 | 
 
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  | 1861: |   |   |   | North Dakota organized as a territory  at age 41 | 
 
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  | 1861: |   |   |   | Colorado organized as a territory  at age 41 | 
 
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  | 1861: |   |   |   | South Dakota organized as a territory  at age 41 | 
 
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  | 1861-1865: |   |   |   | Confederate States of America Exist  from age 41 to age  45 | 
 
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  | 1861: |   |   |   | The Apache Declare War on the US  at age 41 | 
 
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  | 1861: |   |   |   | Transcontinental Telegraph completed  at age 41 | 
 
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  | 1861: |   |   |   | Kansas enters the union - 34th  at age 41 | 
 
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  | 1861-1865: |   |   |   | Abraham Lincoln president of US  from age 41 to age  45 | 
 
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  | 1861-1865: |   |   |   | Civil War  from age 41 to age  45 | 
 
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  | 1861: |   |   |   | Gold rush in New Zealand  at age 41 | 
 
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  | 1862: |   |   |   | US Homestead act  at age 42 | 
 
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  | 1863: |   |   |   | Emancipation Proclamation frees southern slaves  at age 43 | 
 
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  | 1863: |   |   |   | West Virginia enters the union - 35th  at age 43 | 
 
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  | 1863: |   |   |   | Idaho organized as a territory  at age 43 | 
 
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  | 1863: |   |   |   | Battle of Gettysburg  at age 43 | 
 
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  | 1863: |   |   |   | Arizona organized as a territory  at age 43 | 
 
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  | 1863-1879: |   |   |   | 4th Cholera pandemic  from age 43 to age  59 | 
 
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  | 1864: |   |   |   | Nevada enters the union - 36th  at age 44 | 
 
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  | 1864: |   |   |   | Louisiana organized as a territory  at age 44 | 
 
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  | 1865: |   |   |   | Ku Klux Klan founded  at age 45 | 
 
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  | 1865: |   |   |   | Lister invents Disinfection  at age 45 | 
 
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  | 1865: |   |   |   | President Lincoln assassinated  at age 45 | 
 
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  | 1866: |   |   |   | Walker, Mitchell 1st elected US black officials (Massachusetts)  at age 46 | 
 
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  | 1866-1868: |   |   |   | Andrew Johnson president of US  from age 46 to age  48 | 
 
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  | 1867: |   |   |   | Alaska purchased from Russia  at age 47 | 
 
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  | 1867: |   |   |   | Diamonds discovered in South Africa  at age 47 | 
 
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  | 1867: |   |   |   | Nebraska enters the union - 37th  at age 47 | 
 
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  | 1867: |   |   |   | Confederation of Canada  at age 47 | 
 
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  | 1867: |  | 
  | 1868-1878: |   |   |   | War between Cuba and Spain  from age 48 to age  58 | 
 
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  | 1869: |   |   |   | Financial black friday caused by attempt to corner gold  at age 49 | 
 
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  | 1869: |   |   |   | Suez canal opened  at age 49 | 
 
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  | 1869: |   |   |   | Trans-continental railroad completed  at age 49 | 
 
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  | 1869: |   |   |   | Cutty Sark built  at age 49 | 
 
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  | 1869-1876: |   |   |   | Ulysses S Grant president of US  from age 49 to age  56 | 
 
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  | 1870: |   |   |   | 1st black US senator (Hiram Revels)  at age 50 | 
 
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  | 1870: |   |   |   | US black men can vote  at age 50 | 
 
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  | 1870-1871: |   |   |   | Franco-Prussian war  from age 50 to age  51 | 
 
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  | 1871: |   |   |   | Great Fire destroys Chicago  at age 51 | 
 
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  | 1873: |   |   |   | Color Photographs  at age 53 | 
 
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  | 1873-1878: |   |   |   | Depression, banks fail  from age 53 to age  58 | 
 
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  | 1876: |   |   |   | Little Big Horn - Battle  at age 56 | 
 
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  | 1876: |   |   |   | American Centennial  at age 56 | 
 
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  | 1876: |   |   |   | Telephone (Bell, Latimer)  at age 56 | 
 
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  | 1876: |   |   |   | Colorado enters the union - 38th  at age 56 | 
 
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  | 1877: |   |   |   | Wax Cylinder Musical Recordings  at age 57 | 
 
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  | 1877-1880: |   |   |   | Ruthorford B Hayes president of US  from age 57 to age  60 | 
 
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  | 1878: |   |   |   | 1st commercial telephone exchange in US  at age 58 | 
 
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  | 1879: |  | 
  | 1879: |   |   |   | Electric Light Bulb (Edison)  at age 59 | 
 
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  | 1881-1885: |   |   |   | Chester Arthur president of US  from age 61 to age  65 | 
 
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  | 1881-1896: |   |   |   | 5th Cholera pandemic  from age 61 to age  76 | 
 
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  | 1881: |   |   |   | James A Garfield president of US  at age 61 | 
 
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  | 1881: |   |   |   | President Garfield assassinated (dies of med. care)  at age 61 | 
 
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  | 1884: |  | 
  | 1884: |  | 
  | 1885-1888: |   |   |   | Grover Cleveland president of US  from age 65 to age  68 | 
 
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  | 1885: |  | 
  | 1886: |   |   |   | Induction Telegraph (Grandville T. Woods)  at age 66 | 
 
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  | 1887: |   |   |   | X-Rays (Tesla, not Rontgen!)  at age 67 | 
 
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  | 1888: |   |   |   | Great Blizzard of 1888 - 400+ deaths  at age 68 | 
 
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  | 1888: |   |   |   | 70...77 rpm musical records  at age 68 | 
 
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  | 1889: |   |   |   | Montana enters the union - 41st  at age 69 | 
 
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  | 1889: |   |   |   | Washington enters the union - 42nd  at age 69 | 
 
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  | 1889: |   |   |   | South Dakota enters the union - 40th  at age 69 | 
 
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  | 1889-1892: |   |   |   | Benjamin Harrison president of US  from age 69 to age  72 | 
 
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  | 1889: |   |   |   | Holerith invents the punch card  at age 69 | 
 
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  | 1889: |   |   |   | North Dakota enters the union - 39th  at age 69 | 
 
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  | 1890: |   |   |   | Idaho enters the union - 43rd  at age 70 | 
 
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  | 1890: |   |   |   | Battle of Wounded Knee  at age 70 | 
 
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  | 1890: |   |   |   | Oklahoma organized as a territory  at age 70 | 
 
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  | 1890: |   |   |   | Wyoming enters the union - 44th  at age 70 | 
 
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  | 1891: |   |   |   | Mormon prophesy of 'coming of lord' by 1891 unfulfilled  at age 71 | 
 
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  | 1893-1896: |   |   |   | Grover Cleveland president of US  from age 73 to age  76 | 
 
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  | 1893: |  | 
  | 1893: |   |   |   | New Zealand is 1st to grant women right to vote  at age 73 | 
 
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  | 1893-1897: |   |   |   | US Financial panic, depression  from age 73 to age  77 | 
 
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  | 1893: |   |   |   | Nikola Tesla invents Radio (not Marconi!)  at age 73 | 
 
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  | 1894: |   |   |   | Plague in Hong Kong and China - 1 million die  at age 74 | 
 
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  | 1894-1895: |   |   |   | Chinese-Japanese war (1)  from age 74 to age  75 | 
 
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  | 1896: |   |   |   | Utah enters the union - 45th  at age 76 | 
 
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  | 1896: |   |   |   | Supreme court approves separate but equal segregation  at age 76 | 
 
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  | 1897-1901: |   |   |   | William McKinley president of US  from age 77 to age  81 | 
 
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  | 1898: |   |   |   | Spanish American 1-year war  at age 78 | 
 
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  | 1899-1902: |   |   |   | Boer war  from age 79 to age  82 | 
 
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  | 1899-1923: |   |   |   | 6th Cholera pandemic  from age 79 until after line end | 
 
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  | 1900: |   |   |   | Hawaii organized as a territory  at age 80 | 
 
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  | 1900: |   |   |   | Boxer rebellion in China  at age 80 | 
 
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  | 1900: |   |   |   | Galveston Hurricane - 8,000 killed  at age 80 | 
 
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  | 1901-1908: |   |   |   | Theodore Roosevelt president of US  from age 81 to age  88 | 
 
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  | 1901: |   |   |   | US President William McKinley assassinated  at age 81 | 
 
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  | 1901-1910: |   |   |   | Reign of King Edward VII (Saxe-Coburg)  from age 81 to age  90 | 
 
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  | 1901: |   |   |   | Oil discovered in Texas in significant amounts  at age 81 | 
 
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  | 1901: |   |   |   | Max Planck formulates the Laws of Radiation  at age 81 | 
 
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  | 1901: |   |   |   | Third law of thermodynamics postulated (W. H. Nernst)  at age 81 | 
 
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  | 1901: |   |   |   | First British submarine launched  at age 81 | 
 
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  | 1901: |   |   |   | Commonwealth of Australia founded  at age 81 | 
 
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  | 1903: |   |   |   | Nikola Tesla patents logic gates  at age 83 | 
 
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  | 1903: |  | 
  | 1904-1905: |   |   |   | Russian-Japanese war  from age 84 to age  85 | 
 
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  | 1904: |  | 
  | 1907: |   |   |   | Oklahoma enters the union - 46th  at age 87 | 
 
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  | 1907: |  | 
  | 1908: |   |   |   | Tunguska atmospheric object explosion  at age 88 | 
 
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  | 1909-1912: |   |   |   | William Howard Taft president of US  from age 89 to age  92 | 
 
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  | 1909: |   |   |   | North pole reached by Matthew Henson of Robert Peary's exp.  at age 89 | 
 
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  | 1909: |   |   |   | Union of South Africa formed  at age 89 | 
 
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  | 1910-1936: |   |   |   | Reign of King George V (Windsor)  from age 90 until after line end | 
 
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  | 1910: |  | 
  | 1910: |   |   |   | Japan annexes Korea  at age 90 | 
 
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  | 1911: |   |   |   | South pole reached by Roald Amundsen  at age 91 | 
 
  | 
  | 1912: |  | 
  | 1912: |   |   |   | New Mexico enters the union - 47th  at age 92 | 
 
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  | 1912: |   |   |   | Arizona enters the union - 48th  at age 92 | 
 
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  | 1912: |   |   |   | Alaska organized as a territory  at age 92 | 
 
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  | 1913-1920: |   |   |   | Woodrow Wilson president of US  from age 93 to age  100 | 
 
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  | 1914: |  | 
  | 1914-1919: |   |   |   | World War I  from age 94 to age  99 | 
 
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  | 1915: |   |   |   | Einstein's Theory of Relativity  at age 95 | 
 
  | 
  | 1916: |   |   |   | Irish Easter Rebellion  at age 96 | 
 
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  | 1916: |  | 
  | 1917: |  | 
  | 1917: |   |   |   | Russian revolution  at age 97 | 
 
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  | 1918-1920: |   |   |   | Flu epidemic - 25 million plus die  from age 98 to age  100 | 
 
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  | 1918-1933: |   |   |   | Prohibition  from age 98 until after line end | 
 
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  | 1919: |   |   |   | League of Nations instantiated  at age 99 | 
 
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  | 1919: |   |   |   | Shortwave Radio  at age 99 | 
 
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  | 1920: |   |   |   | Women receive right to vote in USA  at age 100 | 
 
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  | 1920-1929: |   |   |   | Roaring 20's  from age 100 until after line end | 
 
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  | 1920: |   |   |   | Palestine established  at age 100 | 
 
  |