Assertion: han dynasty | /r/HasProperty | known its achievements
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Source sentences:
text: The Han dynasty (206 BCE–220 CE) is known its long reign and its achievements, which included the development of the civil service and government structure; scientific advancements such as the invention of paper , use of water clocks and sundials to measure time, and development of a seismograph ; the Yuefu, which compiled descriptions of music; the Shiji , a history written by Sima Qian ; the fu , a poetic form; and lacquerwork and woven silk .