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 "Do not wait to strike til the iron is hot, but make it hot by striking."
– William Butler Yeats

Game Info[]

The discovery of iron, a metal much stronger than the bronze alloy used until that time, lays the groundwork for Iron Working and contemporary metallurgy. Its advantages in strength and durability allow it to quickly displace bronze and become the basis for tools and weapons for a very long time.

Reveals the second strategic resource, Iron (in vanilla and Gods & Kings only), and allows building of the Swordsman, a powerful front-line unit.

Civilopedia entry[]

Iron Working is older than history itself. The first iron worked probably came from meteorites; when this useful material was not to be found, the ancient people probably looked elsewhere for similar materials. Iron "smelting" - the extraction of the metal from iron ore - appears to have been discovered in the 12th century BC, in the Caucasus Mountains, Asia Minor, or possibly India. The production of wrought iron dates from approximately 1,000 BC.

The oldest examples of objects made from meteor iron are found in Ancient Egypt and Sumer and date back to 4,000 BC. Iron was extremely rare at that time, and historians speculate that it may have been more valued than gold.

By the 12th century BC, iron largely replaced bronze as the metal preferred for tools and weapons in the Eastern Mediterranean. The iron of the time was not a better metal than the bronze it replaced, but it was far more abundant and could be found in many places where copper and tin weren't available, making it a whole lot cheaper.

The "modern" metal steel was first produced in prehistoric times, but the technology for large-scale production lagged far behind until the 17th century AD. Once steel became cheap and plentiful, it supplanted iron for most uses.

Civilization V Technologies [edit]
Ancient Agriculture Animal Husbandry Archery Bronze Working Calendar Masonry Mining Pottery Sailing The Wheel Trapping Writing
Classical Construction Currency Drama and Poetry GodsKings5 clear.png Engineering Horseback Riding Iron Working Mathematics Optics Philosophy
Medieval Chivalry Civil Service Compass Education Guilds GodsKings5 clear.png Machinery Metal Casting Physics Steel Theology
Renaissance Acoustics Architecture GodsKings5 clear.png Astronomy Banking Chemistry Economics Gunpowder Metallurgy Navigation Printing Press
Industrial Archaeology Biology Dynamite Electricity Fertilizer Industrialization GodsKings5 clear.png Military Science Rifling Scientific Theory Steam Power Telegraph1
Modern Ballistics GodsKings5 clear.png Combustion Electronics Flight Mass Media1 Plastics Radio Railroad Refrigeration Replaceable Parts
Atomic2 Atomic Theory Combined Arms GodsKings5 clear.png Computers Ecology Nuclear Fission Penicillin Radar Rocketry
Information2 Advanced Ballistics Future Tech Globalization Lasers Mobile Tactics GodsKings5 clear.png Nanotechnology Nuclear Fusion Particle Physics Robotics Satellites Stealth Telecommunications GodsKings5 clear.png The Internet BNW-only.png
1Vanilla only 2Atomic and Information eras are Future Era in Vanilla
GodsKings5 clear.png Valid only in the Gods & Kings expansion pack.
BNW-only.png Valid only in the Brave New World expansion pack.