The Iranian Intermezzo
The Persianate dynasties between the fading of direct Abbasid rule and the Mongol arrival — Khurasan, Transoxiana and the Iranian plateau. Dense with succession: slave-generals taking their masters' provinces, vassals swallowing overlords, governors inheriting the empire that appointed them.
The line below is a time axis. Position on it is date, so concurrency is visible: concurrent polities sit side by side rather than in sequence.
14 sourced edges run between this region and another, to Sasanian Empire, Abbasid Caliphate, Delhi Sultanate, Mongol Empire, Marwanid Emirate, Burid Emirate of Damascus, Uqaylid Emirate, Mirdasid Emirate, Sultanate of Rum, Fatimid Caliphate, Emirate of Derbend and Artuqid Dynasty. Those are not drawn on this line — a thread that crossed regions would assert a sequence nobody cited — but they are on each polity’s own page.