History of Jin: Arriving at Yanjing, an edict moved the capital; Yanjing was renamed Zhongdu (Daxing Prefecture), Bian Nanjing, and Zhongjing…
Arriving at Yanjing, an edict moved the capital; Yanjing was renamed Zhongdu (Daxing Prefecture), Bian Nanjing, and Zhongjing Beijing.
改燕京爲中都，府曰大興，汴京爲南京，中京爲北京
Location: 金史 卷005 海陵 貞元元年3月
In the third month, Jin renamed Yanjing as Daxing Fu and called it 'Zhongdu'; Zhongjing Dading Fu became the Northern Capital, Bianjing Kaifeng Fu the Southern Capital, Liaoyang Fu the Eastern Capital, and Datong Fu the Western Capital (Xijing).
改燕京為大興府，號中都，中京大定府為北京，汴京開封府為南京，而舊遼陽府為東京，大同府為西京如故
Location: 권130 三月 단락130.14.0
Place: 燕京
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