Sayyida Khawla bint Qais (may Allah be pleased with her) narrates this statement of the Prophet Muhammad (peace and blessings be upon him): "When my Ummah will walk with pride and the people of Persia and Rome become their servants, then one among them will be given authority over the others (that is, the Ummah will fall into mutual discord)."
Hadith Referenceصحیح ابن حبان / كتاب التاريخ / 6715
Hadith Gradingفضيلة الشيخ الإمام محمد ناصر الدين الألبانيصحيح - «التعليق الرغيب» (1/ 197).فضيلة الشيخ العلّامة شُعيب الأرناؤوطإسناده قوي