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First Name Last Name

Methyl Helen Parkman

Female - Yes, date unknown

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The following individual does not have a valid birth date and could not be added: Methyl Helen Parkman (I12140)
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   Date  Event(s)
1744 
  • 1744: King George's War: French Colonies vs Great Britain 1744-1748.
1745 
  • 1745: E.G. von Kleist invents the leyden jar, the first electrical capacitor.
1752 
  • 1752: Benjamin Franklin invents the lightening rod.
1755 
  • 1755: Samuel Johnson publishes the first English language dictionary.
1756 
  • 1756: French and Indian War: also known as the Seven Years War. French Colonies vs Great Britain 1756-1763.
1757 
  • 1757: John Campbell invents the sextant.
1758 
  • 1758: Dolland invents a chromatic lens.
1759 
  • 1759: Cherokee War: English Colonists vs Cherokee Indians 1759-1761.
1760 
  • 1760: George III. Ruler of England 1760-1820. House of Hanover: Grandson of George II, married Charlotte of Mecklenburg.
10 1761 
  • 1761: Englishmen, John Harrison invents the navigational clock or marine chronometer for measuring longitude.
11 1764 
  • 1764: James Hargreaves invents the spinning jenny.
12 1767 
  • 1767: Joseph Priestley invents carbonated water - soda water.