On March 16. 1962, a Lockheed Super Constellation carrying 107 passengers and crew, including 93 soldiers of the US Army, disappeared without a trace. It is an enduring and unexplained mystery of the Vietnam era.
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.