>>1658202>>1658204>>1658207>>1658208>history of aviationThe modern airliners are descended from the need to aim artillery accurately in WWI. In point of fact Cecil Lewis traveled after the war and taught the first generation of airline pilots on milsurp aircraft.
Rocketry, obviously based on the V-2 wonder-waffle.
And, few if any clips in that video were serious attempts, but rather PR stunts. You can tell because they exhibit design motifs far in advance of their flight capabilities. (e.g. tractor monoplane)