Who invented fireworks~~When were they invented~~

According to legend, 1,400 years ago, people on both sides of the Nanchuan River heard of being killed by mandrills. Even Emperor Taizong Li Shimin of the Tang Dynasty was so disturbed that he felt uneasy and ordered the whole country to seek medical treatment. Li Tian, ??who was born in Dayao, Nanxiang, Liuyang, Hunan, worked hard to develop firecrackers. It was not only used to ward off evil spirits and protect the safety of a place, but also to drive away evil spirits for Emperor Taizong. Li Tian was instrumental in rescuing the enemy, so he was named the "Patriarch of Firecrackers" by Emperor Taizong of the Tang Dynasty.

Folklore reflects the beautiful and kind wishes of the Chinese people. However, according to historical records and related literary books, fireworks were invented in the Tang Dynasty. During the Xuanhe period of the Northern Song Dynasty (1119-1125), my country's real fireworks using gunpowder as raw materials matured and became a large-scale product. Set up fireworks.