Analysis of information sources in references of the Wikipedia article "Goguryeo" in English language version.
On the Korean side, Koguryo is central to national identity: the name "Korea" comes from this ethnic Korean kingdom.
Wei. In 242, under King Tongch'ŏn, they attacked a Chinese fortress near the mouth of the Yalu in an attempt to cut the land route across Liao, in return for which the Wei invaded them in 244 and sacked Hwando.
Soon after, the Wei fell to the Jin and Koguryŏ grew stronger, until in 313 they finally succeeded in occupying Lelang and bringing to an end the 400 years of China's presence in the peninsula, a period sufficient to ensure that for the next 1,500 it would remain firmly within the sphere of its culture. After the fall of the Jin in 316, the proto-Mongol Xianbei occupied the North of China, of which the Murong clan took the Shandong area, moved up to the Liao, and in 341 sacked and burned the Koguryŏ capital at Hwando. They took away some thousands of prisoners to provide cheap labour to build more walls of their own, and in 346 went on to wreak even greater destruction on Puyŏ, hastening what seems to have been a continuing migration of its people into the north-eastern area of the peninsula, but Koguryŏ, though temporarily weakened, would soon rebuild its walls and continue to expand.
He also conquered Sushen tribes in the northeast, Tungusic ancestors of the Jurcid and Manchus who later ruled Chinese "barbarian conquest dynasties" during the twelfth and seventeenth centuries.[self-published source]
Surrounding states, both in the Chinese mainland and in the Japanese archipelago, acknowledged that Koguryo was a state whose heritage belonged to the later peninsular states of Koryo (918–1392) and Choson (1392–1910).
建安中，公孫康出軍擊之，破其國，焚燒邑落。拔奇怨爲兄而不得立，與涓奴加各將下戶三萬餘口詣康降，還住沸流水。
