| Civilization IV Technologies [edit]
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| Ancient
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Agriculture • Animal Husbandry • Archery • Bronze Working • Fishing • Hunting • Masonry • Meditation • Mining • Monotheism • Mysticism • Polytheism • Pottery • Priesthood • Sailing • The Wheel • Writing
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| Classical
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AestheticsB • Alphabet • Calendar • Code of Laws • Compass • Construction • Currency • Drama • Horseback Riding • Iron Working • Literature • Mathematics • Metal Casting • Monarchy
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| Medieval
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Banking • Civil Service • Divine Right • Engineering • Feudalism • Guilds • Machinery • Music • Optics • Paper • Philosophy • Theology
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| Renaissance
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Astronomy • Chemistry • Constitution • Corporation • Democracy • Economics • Education • Gunpowder • Liberalism • Military ScienceB • Military Tradition • Nationalism • Printing Press • Replaceable Parts • Rifling
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| Industrial
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Artillery • Assembly Line • Biology • Combustion • Communism • Electricity • Fascism • Fission • Industrialism • Medicine • Physics • Railroad • Scientific Method • Steam Power • Steel
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| Modern
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Advanced FlightB • Composites • Computers • Ecology • Fiber Optics • Flight • LaserB • Mass Media • Plastics • Radio • Refrigeration • Robotics • Rocketry • Satellites • SuperconductorsB
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| Future
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Fusion • Future Tech • Genetics • StealthB
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| B Added in Beyond the Sword
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