Constantinople to Istanbul: How a City Changed the World — Fexingo History

The Theodosian Harbor: Constantinople's Lost Port of Theodosius

7 min · 29. maj 2026
episode The Theodosian Harbor: Constantinople's Lost Port of Theodosius cover

Description

Long before the Golden Horn dominated trade, Constantinople's southern coast held a massive artificial port: the Harbor of Theodosius (Portus Theodosiacus). Built in the late 4th century under Emperor Theodosius I, it served as the city's primary grain hub, receiving Egyptian wheat via the Alexandrian fleet. This episode dives into the harbor's construction, its role in the annona (grain dole), and its slow silting-up over centuries due to the Lycus River's sediment. We explore the recent archaeological discoveries during the Marmaray tunnel project in 2004, which uncovered 37 Byzantine ships—including the famous Yenikapı 12 galley—and thousands of artifacts that rewrote our understanding of Byzantine shipbuilding and trade. The harbor's abandonment by the 7th century marked a shift in Constantinople's maritime life toward the Golden Horn. Join Lucas and Luna as they wade into the silt of a forgotten port that once fed an empire. #HarborOfTheodosius #PortusTheodosiacus #Constantinople #Byzantine #Yenikapi #Marmaray #GrainDole #Annona #TheodosiusI #EgyptianWheat #ByzantineShips #Archaeology #Silting #GoldenHorn #LycusRiver #History #FexingoHistory #ByzantineTrade Keep every episode free: buymeacoffee.com/fexingo [https://buymeacoffee.com/fexingo]

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