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Earliest known written formula for gunpowder, from the Wujing Zongyao of 1044 AD.. Gunpowder is the first explosive to have been developed. Popularly listed as one of the "Four Great Inventions" of China, it was invented during the late Tang dynasty (9th century) while the earliest recorded chemical formula for gunpowder dates to the Song dynasty (11th century).
Earliest known written formula for gunpowder, from the Wujing Zongyao of 1044 CE. In the history of gunpowder there are a range of theories about the transmission of the knowledge of gunpowder and guns from Imperial China to the rest of the world following the Song, Jin and Yuan dynasties. The earliest bronze guns found in China date back to ...
Gunpowder was invented in the 9th century by Chinese alchemists searching for an elixir of immortality. [19] By the time the Song dynasty treatise, Wujing Zongyao (武经总要), was written by Zeng Gongliang and Yang Weide in 1044, the various Chinese formulas for gunpowder held levels of nitrate in the range of 27% to 50%. [20]
The first confirmed reference to what can be considered gunpowder in China occurred during the Tang dynasty, first in a formula contained in the Taishang Shengzu Jindan Mijue (太上聖祖金丹秘訣) in 808, and then about 50 years later in a Taoist text known as the Zhenyuan miaodao yaolüe (真元妙道要略). [20]
Another early record of gunpowder, a Chinese book from c. 850 AD, indicates: [20] Some have heated together sulfur, realgar and saltpeter with honey; smoke and flames result, so that their hands and faces have been burnt, and even the whole house where they were working burned down.
Upon impact, the huoqiu would start a fire among an invading army. [28] Chinese bombs such as the thunder clap bomb or pili pao used a greater percentage of gunpowder than that of the huoqiu. The gunpowder mixture for a bomb was placed within a rigid container that held in the expanding gas, allowing for more powerful explosions.
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China: Private trade of gunpowder ingredients is banned in the Song dynasty. [20] 1075: Sinosphere: Vietnam's Lý dynasty used fire arrows and against the Song dynasty during the Lý–Song War (1075–1077). [21] 1076: China: Trade of gunpowder ingredients with the Liao and Western Xia dynasties is outlawed by the Song court. [14] 1083: China