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Hellen Perkins

Female 1845 - 1846  (0 years)


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   Date  Event(s)
1845 
  • 1845: James Polk president of the USA 1845-1849.
  • 1845: American, Elias Howe invents a sewing machine.
  • 1845: Robert William Thomson patents the first vulcanised rubber pneumatic tire.
1846 
  • 1846: Mexican-American War 1846-1848.
  • 1846: Dr. William Morton, a Massachusetts dentist, is the first to use anesthesia for tooth extraction.