Vanji
The Vanji language was spoken in the Vanj river valley the Gorno-Badakhshan Autonomous Province in Tajikistan, and was related to Yazgulyam. In the 19th century, the region was forcibly annexed to the Bukharan Emirate and a violent assimilation campaign was undertaken. By the end of the 19th century the Vanji language had disappeared, displaced by Tajik Persian.
Read more about this topic: Pamir Languages