Input (grade 13): Under Abbasid rule, the legend goes, the secret of papermaking was obtained from two Chinese prisoners from the Battle of Talas in 751, which led to the first paper mill in the Islamic world being founded in Samarkand.
Output (grade 8): Under Abbasid rule, the legend goes, the secret of papermaking was obtained from two Chinese prisoners in 751. This led to the first paper mill in the Islamic world being founded in Samarkand.