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Buddhism in Khotan comprised bodies of Buddhist religious doctrine and institutions characteristic of the Iranic Kingdom of Khotan as well as much of Western China and Tajikistan. It was the state religion of the Kingdom of Khotan until its collapse in 1000. Influenced by Mahayana Buddhism, the kingdom's vast collection of texts, which included the indigenous "Book of Zambasta" and a Khotanese translation of the "Sanghata Sutra" (the earliest translation of the Sanskrit text to date), helped Khotan influence the Buddhist practices of its neighbors, most notably Tibet.