By the 18th century, people today have been inflating balloons of cloth or canvas with scorching air and sending it aloft, the Montgolfier brothers going as far as to experiment with initial animals in 1782, and after that, when altitude did not get rid of them, human beings in 1783. https://ballon-arch10864.wikiap.com/1691820/the_ultimate_guide_to_ballon_arch