John Jeffries a letter he dropped from the balloon during his historic flight, considered the oldest piece of airmail in existence. He fled to Halifax, Nova Scotia in 1776 and later to England 1779, and was employed by the Crown during this time. In 1785, Jeffries and Jean-Pierre Blanchard crossed the English Channel in a balloon, becoming the first human beings to cross the Channel by air. Jeffries lived in England from 1779 to 1790. Despite being named in the Massachusetts Banishment Act, he returned to private practice in Boston, staying there until his death in 1819. His son John Jeffries II
Jean-Pierre Blanchard France on 7 January 1785, flying from Dover Castle to Guînes. Blanchard was awarded a substantial pension by Louis XVI. The King ordered the balloon and boat be hung up in the church of Église Notre-Dame de Calais. (A subsequent Channel crossing attempt in the opposite direction by Pilâtre de Rozier on 15 June 1785 ended unsuccessfully in a fatal crash.) Blanchard toured Europe, demonstrating his balloons. He holds the record of first balloon flights in Belgium, Germany, the Netherlands, and Poland. Among the events that included demonstrations of his abilities as a balloonist was the coronation of Holy Roman