Old Uyghur

The only surviving descendant of Old Uyghur is Yellow Yughur, spoken in the Gansu region of China.

[5] Much of Old Uyghur literature is religious texts regarding Manichaeism and Buddhism,[6] with examples found among the Dunhuang manuscripts.

Multilingual inscriptions including Old Uyghur can be found at the Cloud Platform at Juyong Pass and the Stele of Sulaiman.

Qocho, the Uyghur kingdom created in 843, originally used the "runic" Old Turkic alphabet with a "anïγ" dialect.

The Old Uyghur alphabet was adopted from local inhabitants, along with a "ayïγ" dialect, when they migrated into Turfan after 840.