In 1938, a French designer proposed a remarkable fighter aircraft - a tandem wing delta design with unusual powerplant ideas.
Playlist - French Air Force

Arsenal-Delanne 10-C2; The Hunchback of Villacoublay
Many French fighter aircraft are things of amazing grace and beauty. It is difficult to say that about the Arsenal-Delanne 10-C2.

The Koolhoven F.K.58; A Dutch Fighter Used by Poles Fighting for the French
Designed and built for the French by an obscure Dutch aircraft company, the F.K.58 ended up flying with a Free Polish Unit.