Carving texts into wooden blocks and reproducing that text on paper with ink led to the creation of the first known what in 868?

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Carving texts into wooden blocks and reproducing that text on paper with ink led to the creation of the world's first known paper book, the Diamond Sutra, in 868. There is no evidence that this technique was used for marriage licenses or scientific papers at the time.

Carving Texts into Wooden Blocks and Reproducing That Text on Paper