| 1830-1860: |   |   |   | Underground railroad leads 100,000+ slaves to freedom in US  from before birth until age 3 | 
 
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  | 1837-1901: |   |   |   | Reign of Queen Victoria (Hanover)  from before birth until after line end | 
 
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  | 1852-1859: |   |   |   | 3rd Cholera pandemic  from before birth until age 2 | 
 
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  | 1857-1860: |   |   |   | James Buchanan president of US  from age 0 to age  3 | 
 
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  | 1857: |   |   |   | Dred Scott decision: Blacks could not be US citizens  at age 0 | 
 
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  | 1857-1866: |   |   |   | Transatlantic cable laid  from age 0 to age  9 | 
 
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  | 1858: |   |   |   | Minnesota enters the union - 32nd  at age 1 | 
 
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  | 1858: |   |   |   | India bill transfers government of India to England  at age 1 | 
 
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  | 1859: |  | 
  | 1859: |   |   |   | Oregon enters the union - 33rd  at age 2 | 
 
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  | 1859: |   |   |   | Darwin pub. Origin Of Species  at age 2 | 
 
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  | 1860: |   |   |   | Rifled barrel invented  at age 3 | 
 
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  | 1860: |   |   |   | South Carolina Secedes from the Union  at age 3 | 
 
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  | 1861: |   |   |   | Kansas enters the union - 34th  at age 4 | 
 
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  | 1861: |   |   |   | South Dakota organized as a territory  at age 4 | 
 
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  | 1861-1865: |   |   |   | Abraham Lincoln president of US  from age 4 to age  8 | 
 
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  | 1861-1865: |   |   |   | Civil War  from age 4 to age  8 | 
 
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  | 1861: |   |   |   | Transcontinental Telegraph completed  at age 4 | 
 
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  | 1861: |   |   |   | The Apache Declare War on the US  at age 4 | 
 
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  | 1861: |   |   |   | Colorado organized as a territory  at age 4 | 
 
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  | 1861-1865: |   |   |   | Confederate States of America Exist  from age 4 to age  8 | 
 
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  | 1861: |   |   |   | Nevada organized as a territory  at age 4 | 
 
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  | 1861: |   |   |   | North Dakota organized as a territory  at age 4 | 
 
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  | 1861: |   |   |   | Gold rush in New Zealand  at age 4 | 
 
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  | 1862: |   |   |   | US Homestead act  at age 5 | 
 
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  | 1863: |   |   |   | Idaho organized as a territory  at age 6 | 
 
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  | 1863: |   |   |   | Battle of Gettysburg  at age 6 | 
 
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  | 1863-1879: |   |   |   | 4th Cholera pandemic  from age 6 to age  22 | 
 
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  | 1863: |   |   |   | West Virginia enters the union - 35th  at age 6 | 
 
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  | 1863: |   |   |   | Arizona organized as a territory  at age 6 | 
 
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  | 1863: |   |   |   | Emancipation Proclamation frees southern slaves  at age 6 | 
 
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  | 1864: |   |   |   | Louisiana organized as a territory  at age 7 | 
 
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  | 1864: |   |   |   | Nevada enters the union - 36th  at age 7 | 
 
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  | 1865: |   |   |   | Lister invents Disinfection  at age 8 | 
 
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  | 1865: |   |   |   | Ku Klux Klan founded  at age 8 | 
 
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  | 1865: |   |   |   | President Lincoln assassinated  at age 8 | 
 
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  | 1866-1868: |   |   |   | Andrew Johnson president of US  from age 9 to age  11 | 
 
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  | 1866: |   |   |   | Walker, Mitchell 1st elected US black officials (Massachusetts)  at age 9 | 
 
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  | 1867: |   |   |   | Confederation of Canada  at age 10 | 
 
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  | 1867: |   |   |   | Alaska purchased from Russia  at age 10 | 
 
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  | 1867: |   |   |   | Diamonds discovered in South Africa  at age 10 | 
 
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  | 1867: |  | 
  | 1867: |   |   |   | Nebraska enters the union - 37th  at age 10 | 
 
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  | 1868-1878: |   |   |   | War between Cuba and Spain  from age 11 to age  21 | 
 
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  | 1869: |   |   |   | Suez canal opened  at age 12 | 
 
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  | 1869: |   |   |   | Trans-continental railroad completed  at age 12 | 
 
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  | 1869-1876: |   |   |   | Ulysses S Grant president of US  from age 12 to age  19 | 
 
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  | 1869: |   |   |   | Cutty Sark built  at age 12 | 
 
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  | 1869: |   |   |   | Financial black friday caused by attempt to corner gold  at age 12 | 
 
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  | 1870-1871: |   |   |   | Franco-Prussian war  from age 13 to age  14 | 
 
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  | 1870: |   |   |   | US black men can vote  at age 13 | 
 
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  | 1870: |   |   |   | 1st black US senator (Hiram Revels)  at age 13 | 
 
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  | 1871: |   |   |   | Great Fire destroys Chicago  at age 14 | 
 
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  | 1873-1878: |   |   |   | Depression, banks fail  from age 16 to age  21 | 
 
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  | 1873: |   |   |   | Color Photographs  at age 16 | 
 
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  | 1876: |   |   |   | American Centennial  at age 19 | 
 
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  | 1876: |   |   |   | Little Big Horn - Battle  at age 19 | 
 
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  | 1876: |   |   |   | Telephone (Bell, Latimer)  at age 19 | 
 
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  | 1876: |   |   |   | Colorado enters the union - 38th  at age 19 | 
 
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  | 1877-1880: |   |   |   | Ruthorford B Hayes president of US  from age 20 to age  23 | 
 
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  | 1877: |   |   |   | Wax Cylinder Musical Recordings  at age 20 | 
 
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  | 1878: |   |   |   | 1st commercial telephone exchange in US  at age 21 | 
 
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  | 1879: |   |   |   | Electric Light Bulb (Edison)  at age 22 | 
 
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  | 1879: |  | 
  | 1881-1896: |   |   |   | 5th Cholera pandemic  from age 24 until after line end | 
 
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  | 1881: |   |   |   | James A Garfield president of US  at age 24 | 
 
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  | 1881-1885: |   |   |   | Chester Arthur president of US  from age 24 until after line end | 
 
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  | 1881: |   |   |   | President Garfield assassinated (dies of med. care)  at age 24 | 
 
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