In 936, the Later jin Dynasty of northern China ceded a large part of its northern frontier, including modern Beijing, to the Khitan Liao Dynasty.

公元936年，位于中国北部的金放弃了北方的大片土地(包括现在的北京)于辽。

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Historians refer to this pre-Qing entity as "Later Jin" to distinguish it from the first Jin Dynasty.

历史学家指本预清实体“后金”，以区别于第一晋。

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