![File:The iron chain prevents the fleet of Thomas from entering the Golden Horn.jpg - Wikimedia Commons File:The iron chain prevents the fleet of Thomas from entering the Golden Horn.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/6/6e/The_iron_chain_prevents_the_fleet_of_Thomas_from_entering_the_Golden_Horn.jpg/1200px-The_iron_chain_prevents_the_fleet_of_Thomas_from_entering_the_Golden_Horn.jpg)
File:The iron chain prevents the fleet of Thomas from entering the Golden Horn.jpg - Wikimedia Commons
![A section of the chain used across the Golden Horn during the 1453 siege of Istanbul as ordered by Byzantine Emperor Constantine XI, on display in the main building of the Istanbul A section of the chain used across the Golden Horn during the 1453 siege of Istanbul as ordered by Byzantine Emperor Constantine XI, on display in the main building of the Istanbul](https://c8.alamy.com/comp/EFN1NY/a-section-of-the-chain-used-across-the-golden-horn-during-the-1453-EFN1NY.jpg)
A section of the chain used across the Golden Horn during the 1453 siege of Istanbul as ordered by Byzantine Emperor Constantine XI, on display in the main building of the Istanbul
![Great Chain of The Golden Horn: Constantinople's Impenetrable Barrier | Map, History, Ancient cities Great Chain of The Golden Horn: Constantinople's Impenetrable Barrier | Map, History, Ancient cities](https://i.pinimg.com/originals/14/ea/3a/14ea3a6ccd74fc9878acda469700eb26.png)
Great Chain of The Golden Horn: Constantinople's Impenetrable Barrier | Map, History, Ancient cities
The Hidden Face of Istanbul on Twitter: "A broken piece of the Golden Horn Chain at Istanbul Archaeological Museums https://t.co/GRSQgFI4hB" / Twitter
![The defenders try to protect the city by placing a chain across the Golden Horn, Stock Photo, Picture And Rights Managed Image. Pic. MEV-10188098 | agefotostock The defenders try to protect the city by placing a chain across the Golden Horn, Stock Photo, Picture And Rights Managed Image. Pic. MEV-10188098 | agefotostock](https://t1.thpservices.com/previewimage/gallil/4ed67bef4ddef63ff2745d2f76ec0727/mev-10188098.jpg)
The defenders try to protect the city by placing a chain across the Golden Horn, Stock Photo, Picture And Rights Managed Image. Pic. MEV-10188098 | agefotostock
![The actual chain used by the Eastern Roman Empire in 1452 to block Ottoman access to the Golden Horn during the fall of Constantinople : r/europe The actual chain used by the Eastern Roman Empire in 1452 to block Ottoman access to the Golden Horn during the fall of Constantinople : r/europe](https://i.redd.it/q83dpzxtmrt21.jpg)