was invented in the Sui and Tang dynasties (581-907). There are records of gunpowder production from the middle of the Tang Dynasty. By the end of the Tang Dynasty, gunpowder was being used for ...
which gave birth to the later custom of lighting up lanterns on this day. Since the Sui (581-618) and the Tang (618-907) dynasties, lantern fairs would be held on the night of Yuanxiao ...