Theodosius II and the Theodosian Walls of Constantinople

In this episode of Constantinople to Istanbul, Lucas and Luna dive into the story of the Theodosian Walls, the massive fortifications that protected Constantinople for over a thousand years. They explore how Theodosius II, a young emperor more interested in scholarship than warfare, commissioned the walls in the fifth century, and how the walls' innovative triple-line design, with its secret military passages and the famous Gate of St. Romanus, made the city virtually impregnable. The conversation covers the walls' construction, the earthquakes that nearly toppled them, the legendary runner who raced to warn the city during the 447 earthquake, and the walls' role in countless sieges, from the Avars to the Arabs to the Ottomans. Lucas explains how the walls were finally breached by Mehmed II's cannons in 1453, despite centuries of successful defenses. The episode also touches on the walls' legacy in modern Istanbul, where stretches still stand. A natural fit for fans of Byzantine history, military engineering, or anyone who's ever wondered how one city held off the world for so long.

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