"At the close of the Khalji regime, Ghiyasuddin declared himself as a champion of the faith, because the Ulama had been dissatisfied with Alauddin’s policies and Ghiyasuddin with the activities of Nasiruddin Khusrau. “The slogan of ‘Islam in danger’ so common yet so effective in the history of the Muslims, was started.” And this to a great degree won Ghiyasuddin Tughlaq the throne."
January 1, 1970
https://en.wikiquote.org/wiki/Tughlaq_dynasty