| 1829-1851: |   |   |   | 2nd Cholera pandemic  from before birth until age 12 | 
 
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  | 1830-1860: |   |   |   | Underground railroad leads 100,000+ slaves to freedom in US  from before birth until age 21 | 
 
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  | 1835-1842: |   |   |   | 2nd Seminole War  from before birth until age 3 | 
 
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  | 1837-1840: |   |   |   | Martin Van Buren president of US  from before birth until age 1 | 
 
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  | 1837-1901: |   |   |   | Reign of Queen Victoria (Hanover)  from before birth until after line end | 
 
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  | 1838-1839: |   |   |   | Forced relocation of Cherokee  from before birth until age 0 | 
 
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  | 1839-1842: |   |   |   | Opium war between China and the English  from age 0 to age  3 | 
 
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  | 1841-1844: |   |   |   | John Tyler president of US  from age 2 to age  5 | 
 
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  | 1842: |   |   |   | Chinese cede Hong Kong to the English  at age 3 | 
 
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  | 1844: |   |   |   | 1st telegraph line message, Washington to New York  at age 5 | 
 
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  | 1845-1849: |   |   |   | Irish Potato Famine  from age 6 to age  10 | 
 
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  | 1845-1848: |   |   |   | James K Polk president of US  from age 6 to age  9 | 
 
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  | 1845: |   |   |   | Texas enters the union - 28th  at age 6 | 
 
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  | 1845: |   |   |   | Florida enters the union - 27th  at age 6 | 
 
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  | 1846: |   |   |   | Iowa enters the union - 29th  at age 7 | 
 
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  | 1846-1848: |   |   |   | The Mexican-US War  from age 7 to age  9 | 
 
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  | 1848: |   |   |   | Oregon organized as a territory  at age 9 | 
 
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  | 1848-1856: |   |   |   | 1st gold rush in California -- Sutters Mill  from age 9 to age  17 | 
 
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  | 1848: |   |   |   | NY allows women to own real estate  at age 9 | 
 
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  | 1848: |   |   |   | Wisconsin enters the union - 30th  at age 9 | 
 
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  | 1849: |   |   |   | Fizeau measures speed of light  at age 10 | 
 
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  | 1849-1852: |   |   |   | Zachary Taylor president of the US  from age 10 to age  13 | 
 
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  | 1850: |   |   |   | World pop. est. at 1.1 billion  at age 11 | 
 
  | 
  | 1850: |   |   |   | US pop reaches 23 million  at age 11 | 
 
  | 
  | 1850: |   |   |   | Utah (included Nevada) organized as a territory  at age 11 | 
 
  | 
  | 1850: |   |   |   | New Mexico organized as a territory  at age 11 | 
 
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  | 1850: |   |   |   | California enters the union - 31st  at age 11 | 
 
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  | 1851: |   |   |   | Gold rush in Australia  at age 12 | 
 
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  | 1852-1859: |   |   |   | 3rd Cholera pandemic  from age 13 to age  20 | 
 
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  | 1853-1856: |   |   |   | Franklin Pierce president of US  from age 14 to age  17 | 
 
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  | 1853: |   |   |   | Washington (included pt. of Idaho) organized as a territory  at age 14 | 
 
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  | 1854-1856: |   |   |   | Crimean War  from age 15 to age  17 | 
 
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  | 1854: |   |   |   | Nebraska organized as a territory  at age 15 | 
 
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  | 1854: |   |   |   | Kansas  organized as a territory  at age 15 | 
 
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  | 1857: |   |   |   | Dred Scott decision: Blacks could not be US citizens  at age 18 | 
 
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  | 1857-1866: |   |   |   | Transatlantic cable laid  from age 18 to age  27 | 
 
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  | 1857-1860: |   |   |   | James Buchanan president of US  from age 18 to age  21 | 
 
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  | 1858: |   |   |   | Minnesota enters the union - 32nd  at age 19 | 
 
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  | 1858: |   |   |   | India bill transfers government of India to England  at age 19 | 
 
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  | 1859: |   |   |   | Darwin pub. Origin Of Species  at age 20 | 
 
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  | 1859: |  | 
  | 1859: |   |   |   | Oregon enters the union - 33rd  at age 20 | 
 
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  | 1860: |   |   |   | South Carolina Secedes from the Union  at age 21 | 
 
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  | 1860: |   |   |   | Rifled barrel invented  at age 21 | 
 
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  | 1861-1865: |   |   |   | Abraham Lincoln president of US  from age 22 to age  26 | 
 
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  | 1861-1865: |   |   |   | Confederate States of America Exist  from age 22 to age  26 | 
 
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  | 1861-1865: |   |   |   | Civil War  from age 22 to age  26 | 
 
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  | 1861: |   |   |   | The Apache Declare War on the US  at age 22 | 
 
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  | 1861: |   |   |   | Gold rush in New Zealand  at age 22 | 
 
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  | 1861: |   |   |   | Colorado organized as a territory  at age 22 | 
 
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  | 1861: |   |   |   | Nevada organized as a territory  at age 22 | 
 
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  | 1861: |   |   |   | North Dakota organized as a territory  at age 22 | 
 
  | 
  | 1861: |   |   |   | South Dakota organized as a territory  at age 22 | 
 
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  | 1861: |   |   |   | Transcontinental Telegraph completed  at age 22 | 
 
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  | 1861: |   |   |   | Kansas enters the union - 34th  at age 22 | 
 
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  | 1862: |   |   |   | US Homestead act  at age 23 | 
 
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  | 1863: |   |   |   | Idaho organized as a territory  at age 24 | 
 
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  | 1863: |   |   |   | Emancipation Proclamation frees southern slaves  at age 24 | 
 
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  | 1863: |   |   |   | Arizona organized as a territory  at age 24 | 
 
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  | 1863-1879: |   |   |   | 4th Cholera pandemic  from age 24 to age  40 | 
 
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  | 1863: |   |   |   | Battle of Gettysburg  at age 24 | 
 
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  | 1863: |   |   |   | West Virginia enters the union - 35th  at age 24 | 
 
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  | 1864: |   |   |   | Louisiana organized as a territory  at age 25 | 
 
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  | 1864: |   |   |   | Nevada enters the union - 36th  at age 25 | 
 
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  | 1865: |   |   |   | Ku Klux Klan founded  at age 26 | 
 
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  | 1865: |   |   |   | President Lincoln assassinated  at age 26 | 
 
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  | 1865: |   |   |   | Lister invents Disinfection  at age 26 | 
 
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  | 1866-1868: |   |   |   | Andrew Johnson president of US  from age 27 to age  29 | 
 
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  | 1866: |   |   |   | Walker, Mitchell 1st elected US black officials (Massachusetts)  at age 27 | 
 
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  | 1867: |   |   |   | Diamonds discovered in South Africa  at age 28 | 
 
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  | 1867: |   |   |   | Alaska purchased from Russia  at age 28 | 
 
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  | 1867: |   |   |   | Confederation of Canada  at age 28 | 
 
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  | 1867: |   |   |   | Nebraska enters the union - 37th  at age 28 | 
 
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  | 1867: |  | 
  | 1868-1878: |   |   |   | War between Cuba and Spain  from age 29 to age  39 | 
 
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  | 1869-1876: |   |   |   | Ulysses S Grant president of US  from age 30 to age  37 | 
 
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  | 1869: |   |   |   | Trans-continental railroad completed  at age 30 | 
 
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  | 1869: |   |   |   | Suez canal opened  at age 30 | 
 
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  | 1869: |   |   |   | Financial black friday caused by attempt to corner gold  at age 30 | 
 
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  | 1869: |   |   |   | Cutty Sark built  at age 30 | 
 
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  | 1870: |   |   |   | US black men can vote  at age 31 | 
 
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  | 1870: |   |   |   | 1st black US senator (Hiram Revels)  at age 31 | 
 
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  | 1870-1871: |   |   |   | Franco-Prussian war  from age 31 to age  32 | 
 
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  | 1871: |   |   |   | Great Fire destroys Chicago  at age 32 | 
 
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  | 1873-1878: |   |   |   | Depression, banks fail  from age 34 to age  39 | 
 
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  | 1873: |   |   |   | Color Photographs  at age 34 | 
 
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  | 1876: |   |   |   | Telephone (Bell, Latimer)  at age 37 | 
 
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  | 1876: |   |   |   | Colorado enters the union - 38th  at age 37 | 
 
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  | 1876: |   |   |   | Little Big Horn - Battle  at age 37 | 
 
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  | 1876: |   |   |   | American Centennial  at age 37 | 
 
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  | 1877-1880: |   |   |   | Ruthorford B Hayes president of US  from age 38 to age  41 | 
 
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  | 1877: |   |   |   | Wax Cylinder Musical Recordings  at age 38 | 
 
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  | 1878: |   |   |   | 1st commercial telephone exchange in US  at age 39 | 
 
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  | 1879: |   |   |   | Electric Light Bulb (Edison)  at age 40 | 
 
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  | 1879: |  | 
  | 1881-1896: |   |   |   | 5th Cholera pandemic  from age 42 to age  57 | 
 
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  | 1881: |   |   |   | President Garfield assassinated (dies of med. care)  at age 42 | 
 
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  | 1881-1885: |   |   |   | Chester Arthur president of US  from age 42 to age  46 | 
 
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  | 1881: |   |   |   | James A Garfield president of US  at age 42 | 
 
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  | 1884: |  | 
  | 1884: |  | 
  | 1885: |  | 
  | 1885-1888: |   |   |   | Grover Cleveland president of US  from age 46 to age  49 | 
 
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  | 1886: |   |   |   | Induction Telegraph (Grandville T. Woods)  at age 47 | 
 
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  | 1887: |   |   |   | X-Rays (Tesla, not Rontgen!)  at age 48 | 
 
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  | 1888: |   |   |   | Great Blizzard of 1888 - 400+ deaths  at age 49 | 
 
  | 
  | 1888: |   |   |   | 70...77 rpm musical records  at age 49 | 
 
  | 
  | 1889: |   |   |   | Washington enters the union - 42nd  at age 50 | 
 
  | 
  | 1889: |   |   |   | North Dakota enters the union - 39th  at age 50 | 
 
  | 
  | 1889: |   |   |   | South Dakota enters the union - 40th  at age 50 | 
 
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  | 1889: |   |   |   | Montana enters the union - 41st  at age 50 | 
 
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  | 1889-1892: |   |   |   | Benjamin Harrison president of US  from age 50 to age  53 | 
 
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  | 1889: |   |   |   | Holerith invents the punch card  at age 50 | 
 
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  | 1890: |   |   |   | Wyoming enters the union - 44th  at age 51 | 
 
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  | 1890: |   |   |   | Oklahoma organized as a territory  at age 51 | 
 
  | 
  | 1890: |   |   |   | Idaho enters the union - 43rd  at age 51 | 
 
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  | 1890: |   |   |   | Battle of Wounded Knee  at age 51 | 
 
  | 
  | 1891: |   |   |   | Mormon prophesy of 'coming of lord' by 1891 unfulfilled  at age 52 | 
 
  | 
  | 1893: |   |   |   | Nikola Tesla invents Radio (not Marconi!)  at age 54 | 
 
  | 
  | 1893-1896: |   |   |   | Grover Cleveland president of US  from age 54 to age  57 | 
 
  | 
  | 1893: |  | 
  | 1893-1897: |   |   |   | US Financial panic, depression  from age 54 to age  58 | 
 
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  | 1893: |   |   |   | New Zealand is 1st to grant women right to vote  at age 54 | 
 
  | 
  | 1894-1895: |   |   |   | Chinese-Japanese war (1)  from age 55 to age  56 | 
 
  | 
  | 1894: |   |   |   | Plague in Hong Kong and China - 1 million die  at age 55 | 
 
  | 
  | 1896: |   |   |   | Supreme court approves separate but equal segregation  at age 57 | 
 
  | 
  | 1896: |   |   |   | Utah enters the union - 45th  at age 57 | 
 
  | 
  | 1897-1901: |   |   |   | William McKinley president of US  from age 58 until after line end | 
 
  | 
  | 1898: |   |   |   | Spanish American 1-year war  at age 59 | 
 
  | 
  | 1899-1923: |   |   |   | 6th Cholera pandemic  from age 60 until after line end | 
 
  | 
  | 1899-1902: |   |   |   | Boer war  from age 60 until after line end | 
 
  | 
  | 1900: |   |   |   | Hawaii organized as a territory  at age 61 | 
 
  | 
  | 1900: |   |   |   | Galveston Hurricane - 8,000 killed  at age 61 | 
 
  | 
  | 1900: |   |   |   | Boxer rebellion in China  at age 61 | 
 
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