What if, to get around the Great Wall of China, the Mongolians developed flying machines (or very primitive airplanes)? How would that have affected modern technology? | AskHistorians Archive Observer

What if, to get around the Great Wall of China, the Mongolians developed flying machines (or very primitive airplanes)? How would that have affected modern technology?

by mviebuf91

Reedstilt

We don't handle alternate history questions like this. You may want to try /r/HistoricalWhatIf instead.