On February 23, 1455, Johannes Gutenberg unleashed a technological revolution that would fundamentally transform human communication: he completed the first printed edition of the Bible, marking a seismic shift in how knowledge could be disseminated. Prior to this moment, manuscripts were laboriously hand-copied by monks, making books prohibitively expensive and rare. Gutenberg's printing press with movable type meant that texts could be mass-produced with unprecedented speed and relative affordability.
This particular Bible, known as the Gutenberg Bible or the "42-line Bible," represented approximately 180 copies—a staggering number for the mid-15th century. Each massive tome required approximately three years of meticulous work, involving precise metal casting, ink development, and printing techniques that were revolutionary for their time. Only 49 known copies (or substantial fragments) survive today, with most institutions considering them priceless artifacts.
Gutenberg's innovation wasn't just about printing; it was a democratization of knowledge. For the first time, information could be rapidly reproduced, challenging existing power structures that had controlled intellectual discourse. Scholars would later argue that the printing press was as transformative to medieval society as the internet would be to the 20th century—a technological leap that fundamentally restructured how humans shared and understood information.