The first International Symposium on Endangered Iranian Languages (ISEIL), was held from February 20 to
February 21, 2015 at the Institute of Empirical Linguistics at the Goethe University, Frankfurt, Germany. 

The Symposium included a series of discussions and lectures on different aspects of “Endangered Iranian Languages”,
including developing of an Atlas and dialect maps, facts, problems and parameters regarding Documentation,
dialectology and isoglosses.