That is also one of my dreams but it is pratically too hard to do. Language also representes countries culture. Because of this it will be pratically so hard to do.
I think music is the major key for this dream. For example in Eoruvision lots of countries are attending with English songs. Sertap Erener won Eurovsion with an English song. Even before the contest began lots of people in Turkey was complaining about why the song is in English. But even people who doesn't know any foreign language listen music and they try to sing
By the way i liked this thread and if you don't mind i want to open a similar thread at my board.