Zhang Qian (traditional Chinese ??; simplified Chinese 張騫; Wade-Giles Chang Ch'ien, pronounced "Jang Chyen") was an imperial envoy to the world outside of China in the 2nd century BCE, during the time of the Han Dynasty. He was the first official diplomat to bring back reliable information about Central Asia to the Chinese imperial court, then under Emperor Wu of Han, and played an important pioneering role in the Chinese colonization and conquest of the region now known as Xinjiang.
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