Human Tech Tree
Researched~105 AD · Antiquity (3000 BC – 500 AD)

Civilization / Foundations of Civilization

Paper

Cheap, light paper from plant fibres replaces papyrus, silk and parchment and spreads from China across Asia to Europe.

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Chinese records credit the court official Cai Lun with an improved papermaking process in 105 AD, although older paper fragments exist. Paper reached the Islamic world in the 8th century (a mill in Baghdad from about 794) and Europe via Spain and Italy in the 11th to 13th centuries. Without a cheap writing surface, ledgers, school books and later printing would have stayed far too expensive for ordinary use.

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