<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">Maya calendar</topic></authority><related type="broader"><topic>Mesoamerican calendar systems</topic></related><variant type="other"><topic>Maya calendar</topic></variant><variant type="other"><topic>Mayan calendar</topic></variant><variant type="other"><topic>calendar, Maya</topic></variant> <note xml:lang="en"><![CDATA[ General term for calendars used in pre-Columbian Mesoamerica, many modern communities in the Guatemalan highlands, and states of Veracruz, Oaxaca and Chiapas, Mexico. The essentials of the Maya calendar are based upon a system which had been in common use throughout the region, dating back to at least the 5th century BCE. ]]></note></mads>