Movable type in the Gutenberg Bible revolutionized European book production.
Movable type was the key development that allowed the Gutenberg Bible to be the first substantial European book benefiting from this innovation. Johannes Gutenberg's invention of the printing press revolutionized book production, paving the way for commercial mass printing. The Gutenberg Bible, printed in 1455, ushered in the Gutenberg Revolution and significantly impacted literacy rates throughout Europe.
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