Originally Posted by Hughes_GOAT
no one knows what happened to them.
yes they do.
The Aztec Callendar, which I presume is what you're harking on about, lost control of their Empire after the Spanish arrived. They went as far as Human Sacrifice to restore order, but it didnt work.
The Mayans were crushed...and the Inca surrendered more or less and were massicred.
Its not quite as simple as that...but for the Inca, the spanish signified the return of gods which heralded the end times anyway.