As audiences in the East were used to science finding fantastic new things, it hardly seemed impossible to a person in the 19th century that the country had once been inhabited by giants, or that ancient, incredible civilizations could still lie undiscovered in the vast west. Some newspaper writers were more than happy to simply make great discoveries up, and readers just as happy to take them at their word.
The Reconquista, or Christian reconquest of Iberia, took nearly 800 years. The fighting did not come without great attempts by Muslim powers across the strait trying to reestablish their presence in mainland Europe. The last gasp of that effort came in the 1330s, when the powerful Marinid sultanate of what is modern Morocco invaded in an attempt to reverse Christian gains and secure the perilous position of the Sultanate of Granada.