What would Turkic migration have looked like without the spread of Islam? In real life, after various Turkic tribes, such as the Seljuks, proto-Ottomans, et cetera adopted Islam, they migrated from Central Asia to Anatolia and set up base there, eventually forming empires such as the Sultanate of Rum and the Ottoman Empire (which subsequently expanded elsewhere as well). But how would Turkic migration patterns have been different without Islam? As in, had Islam never actually been created at all?
For the record, for reference, here is a present-day map showing the locations of the speakers of various Turkic languages in the present-day:
For the record, for reference, here is a present-day map showing the locations of the speakers of various Turkic languages in the present-day: