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 1846 - 1850 (4 years) Submit Photo / Document
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Date |
Event(s) |
| 1 | 1845 | |
| 2 | 1846 | - 25 Apr 1846—2 Feb 1848:
 Mexican-American War
- 10 Sep 1846—10 Sep 1846: The sewing machine is patented by Elias Howe
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| 3 | 1847 | - 1847—1847: US Mormons make Salt Lake City their centre
- Jan 1847—Jan 1847: An anesthetic used for the first time in England (James Simpson used ether to numb the pain of labour)
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| 4 | 1848 | - 1848—1848: First commercial production of chewing gum
- 24 Jan 1848—24 Jan 1848: Gold found at Sutter's Mill, California - starts the California gold rush
- 11 Jul 1848—11 Jul 1848: Waterloo railway station in London opens
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| 5 | 1849 | - 1849—1849: Florin (2 shilling coin) introduced as the first step to decimalisation - which finally
occurred in 1971!
- 4 Mar 1849—9 Jul 1850:
 Zachary Taylor U.S. Presidency
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| 6 | 1850 | |
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Submit Photo / Document
English
James K. Polk U.S. Presidency
Millard Fillmore U.S. Presidency