https://en.wikipedia.org/wiki/Diego_de_Landa
We found a large number of books in these characters and, as they contained nothing in which were not to be seen as superstition and lies of the devil, we burned them all, which they (the Maya) regretted to an amazing degree, and which caused them much affliction.[16]
Gee, I wonder why.
Utter barbarism, and yet still only the surface of the destruction wrought by the Spanish conquests in the Americas.