Gwanggaeto himself attacks and conquers Biryu, a small nation located in central Manchuria, during a campaign against Baekje in 395. (Its exact location is not known but it was not very far from the Songhua River.)
…the Haixi Jurchens of modern Heilongjiang and …
"He who does not know how to give himself an account of three thousand years may remain in the dark, inexperienced, and live from day to day."
― Johann Wolfgang von Goethe, West-Eastern Divan
