The Johannes Gutenberg Press was a revolutionary printing technology developed by Johannes Gutenberg in the mid-15th century. It introduced movable type, allowing for the mass production of books and written materials. This innovation significantly reduced the cost and time required to produce texts, making literature more accessible to the general public. The first major book printed using this press was the Gutenberg Bible, completed around 1455. The impact of the Gutenberg Press was profound, as it facilitated the spread of knowledge, ideas, and literacy across Europe, contributing to the Renaissance and the Reformation.