The Karsakpay inscription (also called the Timur's stone) is a message carved on April 28, 1391 into a fragment of rock in Ulu Tagh mountainside near the Karsakpay mines, Kazakhstan. It was found in 1935. It consists of three lines in Arabic, and eight lines in Chagatai, written in the Old Uyghur alphabet. After its discovery, the Karsakpay inscription was taken to the Hermitage Museum of in Leningrad (present-day St. Petersburg, Russia) in 1936, where it is today. Timur asks those reading the inscription to remember him with a prayer.