Who could ever doubt that Yodongseong (Liadong) Fortresa was once the most powerful strongholds that existed in Korean History. The fortress has great history to it. It resisted invasions from Ancient Chinese Dynasties such as Sui, Houyan, Han and Tang and Ancient Mogolian Tribes like Khitan, Malgal and Jurchen. The walls could not be breached by even 1 million Tang (Chinese Soilders). The Generals who served in Yodognseong (Liadong) Fortress was. Supreme Commander Yeon Gaesomun, Grand General Yang-Manchun, General Dae Jungsang, General Dalbol, General On Samun, General Ji and General Geom Mojam. The fortress belonged to Goguryeo (Present Day North Korea) and was guarded by the best warriors of the time. However Liadong lands are currently based in China since it is connected to The Liadong River in China.
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