sentences:  However, Iqtidar Alam Khan argues that it was invading Mongols who introduced gunpowder to the Islamic world and cites Mamluk antagonism towards early riflemen in their infantry as an example of how gunpowder weapons were not always met with open acceptance in the Middle East.The first references to the use of what may have been arquebuses ("tüfek") by the Janissary corps of the Ottoman army date them from 1394 to 1465.However it's unclear whether these were arquebuses or small cannons as late as 1444, but the fact that they were listed separate from cannons in mid-15th century inventories suggest they were handheld firearms.