65 years ago, on December 30 1959, USS George Washington, the world's first nuclear powered ballistic missile submarine, was commissioned. The term “Boomer,” a rather obvious reference, came into vogue as a nickname for those types of submarines shortly after.
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.