Early flying machines a second, inner ballonet. On 19 September 1784, it completed the first flight of over , between Paris and Beuvry, despite the man-powered propulsive devices proving useless. In January the next year Jean Pierre Blanchard and John Jeffries crossed the English Channel from Dover to the Bois de Felmores in a Charlière. But a similar attempt the other way ended in tragedy. In an attempt to provide both endurance and controllability, de Rozier developed a balloon with both hot air and hydrogen gas bags, a design which was soon named after him as the "Rozière." His idea was to use
Gatineau Hot Air Balloon Festival festival's first volunteer and a tree was also planted on site in her honor in conjunction of the festival's 20th Anniversary which also honored the founder of the festival. After that event, he never piloted a hot-air balloon and left his general manager spot of the Festival afterwards - some speculations were that the new city of Gatineau administration of Yves Ducharme tried to force him out of the job by offering a spot for the new city as chief of communications. He was handled that position for a few months during rehabilitation, but the position was later removed and