#31 | History of Balloon Flight [220-1852 AD]: Dramatic stories of the first Hot Air Balloons & Hydrogen Gas Balloons Calm History - true bedtime stories & trivia for relaxing or sleeping.

Relax as you learn about the historical pioneers who developed and tested the first hot air balloons & hydrogen gas balloons (enjoy EVERY episode of Calm History by becoming a Silk+ Member – It’s FREE for a limited time!).*

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*Content adapted, remixed, edited, and produced by Harris from materials in the public domain and from Wikipedia.

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