European Union is a political and economic union of 27 European Countries. The population in EU now could be as many as 440 million. Now there are 24 official languages spoken in European Union.
IU offers courses of 16 out of the 24 languages. Here is the list.
14 in regular semesters,
2 regularly in summer,
On CeLT language Asset Repository, you could find other 7 languages(some of them could learn through BTAA course sharing system from other Big 10 universities).
The other two are: Maltese, Slovak