The following list is composed of items, techniques and processes that were invented by or discovered by people from Spain. Spain was an important center of knowledge during the medieval era. While most of western and southern Europe suffered from the collapse of the Roman Empire, although declining, some regions of the former empire, Hispania (the Iberian Peninsula), southern Italy, and the remainder of the Eastern Roman Empire or Byzantine Empire, did not to suffer from the full impact of the so-called Dark Ages when education collapsed with the collapse of the empire and most knowledge was lost. The Islamic conquests of places such as Egypt, which was a major part of the Byzantine Empire, and other places which were centers of knowledge in earlier times, gave the Muslims access to knowl