Marvin Pitts, a professor of horticulture at Cornell University, estimates that 99.9% of Americans have never tasted a blackcurrant. The reason? For nearly a century the US government conducted a war on currants and gooseberries.
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.