The Gutenberg Press was the first mechanical printing press using movable type in Europe, developed by Johann Gutenberg of Germany around 1448. It was a revolutionary invention that marked the start of the print revolution. Gutenberg adapted existing technologies, like the olive and wine press, to create his printing press. He developed metal alloys for the letters and a system for casting individual, movable type. The first book he printed was the Bible, producing about 180 copies in three years, a speed unimaginable with manual scribing. This press dramatically lowered the cost of books, increased their availability, and played a crucial role in the spread of ideas during the Renaissance, the Reformation, and the Scientific Revolution.