The Ming Dynasty time silver country external source area mainly has Japan, Spain, Portugal and the Americas and so on.

明朝时期白银的国外来源地主要有日本、西班牙、葡萄牙和美洲等。

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Liu Bei (A. D. 161 - 223 ), alias : "Xuan De" , Chinese Eastern Han Dynasty time Zhu county (now Hebei Zhu state) person.

刘备（公元161年—223年），字玄德，东汉时涿郡（今河北涿州）人。

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The Northern Song Dynasty time, the compass applies in the navigation enterprise, enabled it to have the unfailing vitality.

北宋时代，指南针利用于航海事业中，使之有了经久不衰的性命力。

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For the first time all three members of the Smith boxing dynasty feature on a card for the first time - former English middleweight champion Paul, and younger brothers Callum and Stephen.

BBC: Cleverly eager for first defence

By the time of the Han dynasty - still more than 2, 000 years ago - China's borders already closely resembled those of eastern and central China today.

BBC: A Point Of View: Making sense of China

Around the time of the Abbasid dynasty, cross-border trade became extremely active in the Islamic world with merchants acting as mediators for the movement of goods among western and African countries, India, and (later) China.

ECONOMIST: The once and future boom