It is a Turkish inscription erected as a tombstone in the period of the Second Göktürk Khanate in the kurgan place on the southern skirts of the Sansar-Ula (or Baga Sansar) Mountain in Mongolia. It is thought to belong to the years 682-691. According to some views, the Çoyr inscription is older than the Kül Tigin, Bilge Kagan and Tonyukuk inscriptions, which are accepted as the oldest Turkish texts belonging to Turks; It is the oldest inscription in Turkish to date.