It was the first major political state to bear the name "Turk" west of the Orkhon River in the 6th century.

The oldest inscriptions are those written on stone by Bilge Kağan, Kültigin, and the vizier Tonyukuk.

The inscriptions were written in 732.

Yuluğ Tigin commissioned the inscriptions.

Tonyukuk wrote them himself.

It is the first Turkish text in which the name "Turk" appears.

It was written in the Göktürk alphabet.

It is the first masterpiece of Turkish literature.

The Danish scholar Thomsen read the words Tengri, Turk, and Kültigin in the monuments in 1893 and recorded them in history.