Of course not. But the time that's been referenced the French had already been there so the point is moot. When english speaking Americans showed up they had been speaking French for awhile. So the 'in historia tempus', the Plains Indians knew French. Even to Lewis and Clark era.
Did they even call themselves Flatheads?
Who knows, other Indians probably did.
Do not learn your history from movies. Learn it from me.
Read the book on Johnson, would learn it from you if you had the gouge.
Here is the science. The so called "Indians" had different words for everything. They didn't know French, English, or Spanish until the people that spoke those languages came. Before that, they called "counting coup" something else. In their own language.
I guarantee you they did not, nor any other tribes, called the "Flatheads" Flatheads. That is an English word. Maybe it's a translation of the original "Indian" word, or just a derogatory term for how they think they looked physically. Why would the "Indians" use an English word to describe themselves or others before the English came. "Flathead" had to have been what the English speakers dubbed them.
Let the record also show that they people did not call themselves "Indians" either.
It is my contention that the history of the "Indians" didn't begin when the white eyes came. How can you people argue this point? I think you just like to argue.
Bagster