Where was the movable-type printing press first fully developed by Johannes Gutenberg? 👤 By The Quiz Wire ✅ Fact Checked 📊 Difficulty Medium 📅 Last Updated 01 Dec 2025 A. Berlin B. Cologne C. Mainz D. Hamburg Check Answer 💡 Explanation: Gutenberg developed and operated his revolutionary printing press in Mainz, Germany, around 1440. 📚 Topics: Historic Inventions Inventions and Discoveries 🎯 Exams: GEN NTS
