This covers all of the work that John James Audubon produced over his career, including The
Birds of America by Robert Havell, published between 1827 and 1838. The Royal Octave
Edition of The Birds of America, published between 1839 and 1844. The Viviparous
Quadrupeds of North America, published between 1845 and 1848. The octave edition of The
Viviparous Quadrupeds of North America, published between 1849 and 1854.
Aviation

Heavier than air includes airplanes and all forms of designed flying machines that are self-
powered. Lighter than air includes balloons, zeppelins, and other craft that float in the air due to

hot air or chemical gas balloons. The first manned ascent in a hot air balloon was on November
21, 1783, in France.