By an act of congress, on January 28, 1915 the United States Revenue Cutter Service and the United States Life Saving Service were merged to create the United States Coast Guard. But the Coast Guard’s status as an independent branch of the military was not secure, even given the Coasties’ distinguished service during the Great War. There was a very real chance the Coast Guard would be merged into the Navy, until the passage of the 18th Amendment to the Constitution.
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.