The "Print Revolution" refers to the significant transformation in the production and distribution of written materials that began in the mid-15th century with the invention of the printing press by Johannes Gutenberg. This innovation allowed for the mass production of books, making literature and information more accessible to the general public, which previously relied on hand-copied texts. As a result of the Print Revolution, literacy rates increased, and ideas spread more rapidly across Europe. This shift played a crucial role in major historical movements, including the Renaissance, the Reformation, and the Scientific Revolution, fundamentally changing society and culture.