History of the Northern Dynasties: He reached Helong, dug trenches, and surrounded it. (Campaign against Feng Hong of the Northern Yan.); Book of…
He reached Helong, dug trenches, and surrounded it. (Campaign against Feng Hong of the Northern Yan.)
己巳，車駕至和龍，穿塹以守之
Location: 北史 卷2 延和元年
He reached Helong, the city of Feng Wentong of Northern Yan, and pressed hard on its walls.
己巳，車駕至和龍，臨其城。
Location: 魏書卷4上·延和元年
Northern Wei's Emperor Taiwu attacks Northern Yan and besieges Helong (departing in June).
庚寅，魏主伐燕
Location: 卷122
Place: 營州(朝陽)
Show on the map — open History of the Northern Dynasties (Beishi), Annals