As far as I've known, that largely involved a tremendous number of English channel crossings, but I will look more into that so I don't stay ignorant; thanks. ;- )
Here are a few places for you to begin your research:
https://en.wikipedia.org/wiki/Aviation_in_the_pioneer_era
https://en.wikipedia.org/wiki/Grande_Semaine_d%27Aviation_de...
https://en.wikipedia.org/wiki/Louis_Blériot
https://en.wikipedia.org/wiki/Soci%C3%A9t%C3%A9_pour_l%27avi...
https://en.wikipedia.org/wiki/A%C3%A9ro-Club_de_France
https://en.wikipedia.org/wiki/Cornu_helicopter
https://en.wikipedia.org/wiki/L%27A%C3%A9rophile
https://en.wikipedia.org/wiki/History_of_the_Arm%C3%A9e_de_l...
Aside: How many American-made components do you see with big bold French labels on them? https://en.wikipedia.org/wiki/File:Fdr_sidefront.jpg
Aviation: https://en.wiktionary.org/wiki/aviation
Aéroplane: https://en.wiktionary.org/wiki/aeroplane
Hélicoptère: https://en.wiktionary.org/wiki/helicopter
The french played a very dominant role as well.