John Jeffries, an American balloonist carried a flight instrument, a barometer during his voyage over London, England in 1784. The second flight over the English Channel on January 7, 1785 he was accompanied by a Frenchman. Jeffries was the first North American to aerial flight.

Date:
      1784, January 7, 1785
Name(s):
      John Jeffries
Occupation:
      Balloonist
Location:
      London, England

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