Wow, a bunch of comments here and no one's mentioned that oil is traded in dollars. If oil kicks of a wave of commodities being traded in Euros, then yes, the

Wow, a bunch of comments here and no one's mentioned that oil is traded in dollars. If oil kicks of a wave of commodities being traded in Euros, then yes, the Euro will be the new Dollar. At the end of the day, the dominant currency is the one most people use. In 1900, the language of international relations (and trade) was French.