1) https://en.wikipedia.org/wiki/Decline_of_Buddhism_in_the_Ind... - From 986 CE, the Turks started raiding northwest India from Afghanistan, plundering western India early in the eleventh century. Forced conversions to Islam were made, and Buddhist images smashed, due to the Islamic dislike of idolatry. Indeed in India, the Islamic term for an 'idol' became 'budd'. — Peter Harvey, An Introduction to Buddhism ... According to William Johnston, hundreds of Buddhist monasteries and shrines were destroyed, Buddhist texts were burnt by the armies, monks and nuns killed during the 12th and 13th centuries in the Gangetic plains region. The Islamic invasions plundered wealth and destroyed Buddhist images ... The decline of Buddhism in the Indian subcontinent coincides with the spread of Islam in that part of the world, especially due to the Islamic invasions that occurred in the late 12th century. See sections "Turkic Invasions" and "Decline under Islamic Rule".
1) https://en.wikipedia.org/wiki/Decline_of_Buddhism_in_the_Ind... - From 986 CE, the Turks started raiding northwest India from Afghanistan, plundering western India early in the eleventh century. Forced conversions to Islam were made, and Buddhist images smashed, due to the Islamic dislike of idolatry. Indeed in India, the Islamic term for an 'idol' became 'budd'. — Peter Harvey, An Introduction to Buddhism ... According to William Johnston, hundreds of Buddhist monasteries and shrines were destroyed, Buddhist texts were burnt by the armies, monks and nuns killed during the 12th and 13th centuries in the Gangetic plains region. The Islamic invasions plundered wealth and destroyed Buddhist images ... The decline of Buddhism in the Indian subcontinent coincides with the spread of Islam in that part of the world, especially due to the Islamic invasions that occurred in the late 12th century. See sections "Turkic Invasions" and "Decline under Islamic Rule".
2) https://en.wikipedia.org/wiki/Persecution_of_Buddhists - See sections "Persecution by Muslim Empires" and "Persecution by Muslims".
3) And for good measure also read https://en.wikipedia.org/wiki/Persecution_of_Hindus