Without comment

Zafar Hilaly in The Jang, Pakistan:

But, then, violence is common to Muslim political culture. Fourteen out of 37 caliphs were assassinated from 755 to 1258 AD, which is often described as the "golden age of Islam." In fact, according to a revealing article published in the Friday Times (March 26), "ninety years of Ummayyad rule witnessed hundreds of skirmishes between rival Muslim armies. These included the armed invasions of Medina and Mecca by Umayyad armies, when rocks and flaming arrows were rained upon the Holy Ka'aba until it collapsed". The fact that such data has been collated by Muslim scholars bothers some, because otherwise they could have dismissed it as "infidel" cant.