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The Montgolfier brothers first test fly an unmanned hot air balloon in France; it floats nearly 2.5 km (1.6 mi).
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Montgolfier brothers
18th-century French inventors
The Montgolfier brothers – Joseph-Michel Montgolfier and Jacques-Étienne Montgolfier – were aviation pioneers, balloonists and paper manufacturers from the commune Annonay in Ardèche, France. They invented the Montgolfière-style hot air balloon, globe aérostatique, which…Source: Wikipedia (CC BY-SA)
Hot air balloon
Lighter-than-air aircraft
A hot air balloon is a lighter-than-air aircraft consisting of a bag, called an envelope, which contains heated air. Suspended beneath is a gondola or wicker basket, which carries passengers and a source of heat, in most cases an open flame caused by burning liquid propane. The…Source: Wikipedia (CC BY-SA)
December 14
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