How Did They Build A Castle Right In The Middle Of A River

In 1326, a king built a fortress on a rock island in the middle of the Rhine not to defend a city, but to trap every merchant passing through. No ship could pass without paying. An iron chain stretched across the water. Crossbowmen held a clear line of fire. The river itself became a weapon. The Pope excommunicated him for it. He kept collecting anyway. And the castle he built is still standing today. Drop a like and subscribe, and share it with someone who'd love this. 🔔 #MedievalHistory #MedievalEngineering #RhineHistory #HistoryDocumentary

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