Military Application System of Gunpowder

Timeline

1. c. 1044–1127Northern Song capital and frontier defenses · Central PlainsThe Wujing Zongyao records various gunpowder formulas and fireworks manufacturing methods; Northern Song forces already used gunpowder for incendiary and smoke-screen purposes, marking gunpowder's transition from alchemy to institutionalized military application.
2. c. 1127–1279Song-Jin and Song-Mongol battlefields · JianghuaiIn Southern Song wars against the Jin and Mongols, firearm types multiplied sharply; thunderclap bombs, fire arrows, and other weapons were used extensively in city defense and field battles, tube-type jet-propelled firearms appeared, and gunpowder military application became systematized.
3. 1321–1330Yuan Dadu and provincial garrisons · DaduYuan forces inherited the Song-Jin firearm tradition and developed metal tube firearms; records show cannons were used in campaigns in the third year of Zhizhi and other years; hand cannons, fire arrows, and trebuchets together formed a siege warfare system, laying the foundation for early Ming firearm development.
4. c. 1351–1400Late Yuan battlefields · East ChinaIn the Red Turban Rebellion and the struggles among warlords, cannons and hand cannons were used on a large scale in sieges and naval combat; gunpowder military technology spread to Western Asia and Europe via channels such as the Mongol conquests, completing its maturation from formula to combat system.