Alphabets
The inventory of Mongol letters has been used to as alphabet for at least four languages. First and foremost, after overcoming the Uyghur script ductus, it was used for Mongolian. It was also used in the ancient Manchurian documents before diacritics were added and the Manchu script was derived. Most recently, an experimental alphabet for Evenki was created in the 1980s.
Read more about this topic: Mongolian Script