Hot air balloon Montgolfier brothers, and had its first public demonstration on 4 June 1783 with an unmanned flight lasting 10 minutes, followed later that year with manned flights. The 1785 Rozière balloon, a type of hybrid balloon, named after its creator, Jean-François Pilâtre de Rozier, has a separate cell for a lighter than air gas (typically helium,) as well as a cone below for hot air (as is used in a hot air balloon) to heat the helium at night. Hydrogen gas was used in the very early stages of development but was quickly abandoned due to the obvious danger of introducing
Gatineau Hot Air Balloon Festival of the City of Gatineau since October 2013 Several well-known artists performed during the Festival over the course of its history since 1988. Among those included: http://www.lapresse.ca/le-droit/actualites/ville-de-gatineau/201308/27/01-4683692-jean-boileau-a-la-tete-des-communications-de-gatineau.php Gatineau Hot Air Balloon Festival The Gatineau Hot Air Balloon Festival is a yearly festival, held in Gatineau, Quebec, Canada, and organized by a not-for-profit organization, during which hot air balloons of every shape and colour are flown and where 300 shows and performances adding up to over 60 hours’ worth of programming are taking place. More than 200,000 visitors and 1,000 RVs usually participate. It is held over four days in late-August