The Four Great Inventions,the compass, gunpowder, papermaking, and printing – were among the most important technological advances, only known to Europe by the end of the Middle Ages 1000 years later.
Empat Penciptaan besar yakni kompas, mesiu, pembuatan kertas, dan percetakan, merupakan di antara kemajuan teknologi yang paling penting, hanya diketahui Eropa di akhir Abad Pertengahan 1000 tahun kemudian.