History of printing

Printing emerged as early as the 4th millennium BCE in the form of cylinder seals used by the Proto-Elamite and Sumerian civilizations to certify documents written on clay tablets. Other early forms include block seals, hammered coinage, pottery imprints, and cloth printing. Initially a method of printing patterns on cloth such as silk, woodblock printing for texts on paper originated in Tang China by the 7th century, to the spread of book production and woodblock printing in other parts of Asia such as Korea and Japan.

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