As a history enjoyer I have actually heard of this:
> The Black Legend (Spanish: leyenda negra) or the Spanish Black Legend (Spanish: leyenda negra española) is a purported historiographical tendency which consists of anti-Spanish and anti-Catholic propaganda
> The Black Legend (Spanish: leyenda negra) or the Spanish Black Legend (Spanish: leyenda negra española) is a purported historiographical tendency which consists of anti-Spanish and anti-Catholic propaganda
https://en.wikipedia.org/wiki/Black_Legend