Gunpowder

“The day when two army corps can annihilate each other in one second, all civilised nations, it is to be hoped, will recoil from war.” — Alfred Nobel

The discovery that a mixture of saltpetre, sulphur, and charcoal could produce a violent explosion changed warfare forever. Gunpowder rendered castles vulnerable, armoured knights obsolete, and placed devastating firepower in the hands of common soldiers.

Era Renaissance
Research Cost 110
Prerequisites Iron Working, Engineering

Unlocks

  • Units: Musketman

Historical Background

Gunpowder was invented in China, most likely during the 9th century CE, by Taoist alchemists searching for an elixir of immortality. The earliest known formula appears in a Chinese text from 850 CE, and by the 10th century, the Song Dynasty was deploying gunpowder weapons — fire arrows, bombs, and primitive firearms — against invaders. The technology spread westward along the Silk Road, reaching the Islamic world by the 13th century and Europe by the 14th.

The impact on European warfare was revolutionary. Cannons rendered medieval castle walls obsolete — what had taken months to breach by siege could now be demolished in days. The fall of Constantinople in 1453, where Ottoman bombards shattered the Theodosian Walls that had stood for a thousand years, demonstrated gunpowder’s transformative power. On the battlefield, muskets armed to common infantry could defeat armoured knights, upending centuries of military tradition and social hierarchy. Gunpowder did not merely change tactics — it changed the structure of societies and the nature of power itself.