 The Buddhist Uyghurs of the Kingdom of Qocho and Turfan were converted to Islam by conquest during a ghazat (holy war) at the hands of the Muslim Chagatai Khizr Khwaja, Khan of Moghulistan during the Chagatai Khanate (reign 1390-1399).Kara Del (c. 1389–1513) was a Mongolian-ruled and Uighur-populated Buddhist kingdom.The Muslim Chagatai Khan Mansur invaded and "used the sword" to make the population convert to Islam.