Baekje fought off many Goguryeo (the northern Korean kingdom) invasions from this fortress, and the 5th king Chogo based his northward campaign on it.
Baekje memerangi banyak serangan Goguryeo (kerajaan di Korea di bagian paling utara) dari benteng ini dan raja kelima, Chogo berdasarkan kampanyenya ke bagian utara.