In the year 1000, at the imperial capital of Kaifeng, naval commander Tang Fu presented Emperor Zhenzong of the Song dynasty with improved versions of several gunpowder-based incendiary weapons.
西元一○○○年，神衛水軍隊長唐福在開封宮城裡，向宋朝的真宗皇帝獻上他改良設計的火箭、火毬和火蒺藜。