Gwanggaeto the Great
Gwanggaeto the Great (Korean: 광개토대왕, Chinese: 廣開土大王, 374 - 413) was an ancient Korean monarch. He was the 19th King of Goguryo and reigned from 393 to 413 CE. During his reign the Goguryeo territory widened with the conquests of SukSin, Mohe, Khitan, Buyeo. His era name was Yuungrak (Korean: 영락, Chinese: 永樂).
King Gwanggaeto died from a sickness in the year 413.