The world's first steam-powered warship was designed by one of the most famous engineers if the era. The steam battery Demologos was almost an analogy for the energy of the United States as it entered the nineteenth century and established a new prominence on the world stage.
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.