Wrong.
They won one of the most decisive and important battles in history: the Battle of Tours in 732 A.D.
They beat Muslims... SO what
300 Spartans held back over 100,000 Muslims. Something the whole French Army had to do.
Napoleon could not finish without a Navy, which was destroyed by Nelson. Later the French Navy with the help of Spain and Portugals Navies could not beat Nelson even though they killed Nelson in the battle they LOST.
They were winning with Joan at the lead but betrayed her and lost again.
When you see the Eifel tower remember it was just another French piece of history saved by American Blood.