| http://www.w3.org/ns/prov#value | - By the 14th century rocket propulsion was common in warfare, as evidenced by the Huolongjing compiled by Liu Ji (1311???1375) and Jiao Yu (fl. c. 1350???1412).However, in China, fireworks for ceremonies and celebrations were mostly for royalties and the rich before the 14th century.
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