Evenly the language of France's folk.
Pierre : Désolé, je ne parle pas anglais.
Mike : Dude ! You're french ?
Kate : Honey I don't understand you neither...
Mike : Oh my godness ! You're french too ?!?
The battlefield of Europe: The French generally dislike war due to the fact that almost half of the battles of modern Europe were fought of French soil, and the French civilians have perished by it, on their land, for over two millenia.
The second country (America was the first) to have a major revolution which favored Democracy (it didn't work out all that well). They even gave us an enormous statue for that fact.