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Ottoman-Byzantine Successor Diplomacy

Type Event Region Anatolia Time 1411–1420

In the 1410s, Sultan Mehmed I pursued Balkan diplomacy as the Byzantine Empire's legitimate successor, gradually replacing Byzantium as the dominant …

Timeline

  1. 1411–1413Edirne · ThraceAfter unifying Ottoman territories, Mehmed I based himself at Edirne to rebuild control over Thrace and Balkan vassals. The Ottomans claimed to inherit the Roman-Byzantine political legacy in the East, demanding that Christian princes such as Serbia and Bulgaria recognize their suzerainty.
  2. 1413–1419Constantinople · TurkeyWith the empire reduced to Constantinople and its surroundings, Byzantine emperor Manuel II maintained truces and diplomatic contacts with the Ottomans. The Ottomans styled themselves 'heirs of Rome' yet allowed Byzantium nominal survival, forming a peculiar pattern of suzerain and vassal coexisting. Both sides exchanged envoys to discuss borders, tribute, and church affairs.
  3. 1416–1420Balkan Peninsula · Balkan PeninsulaAfter victory over Venice in 1416, the Ottomans further consolidated control of the Dardanelles and Aegean passages. Through diplomatic marriages and suzerainty treaties, the Ottomans positioned themselves as the supreme political authority of Southeast Europe after Byzantium, accumulating legitimacy for later claiming the title 'Caesar' and ultimately conquering Constantinople.

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