Mesoamerican Long Count calendar Mesoamerican Long Count calendar The Mesoamerican Long Count calendar is a non-repeating, vigesimal (base-20) and base-18 calendar used by several pre-Columbian Mesoamerican cultures, most notably the Maya. For this reason, it is often known as the Maya (or Mayan) Long Count calendar. Using a modified vigesimal tally, the Long Count calendar identifies a day by counting the number of days passed since a mythical creation date that corresponds to August 11, 3114 BCE in the Proleptic Gregorian calendar. The Long Count calendar was widely used on monuments. The two most widely used calendars in pre-Columbian Mesoamerica, were the 260-day Tzolk'in
Mesoamerican languages the presence of whistled languages, incorporation of bodypart nouns into verbs, the derivation of locatives from bodypart nouns, grammatical indication of inalienable or intimate possession. Terrence Kaufman has worked with documenting the process of this linguistic convergence and he argues that the most probable donor languages of the borrowings into other Mesoamerican languages are the Mixe–Zoquean and Totonacan languages, this supports a theory of either or both of these cultures having a prominent role as a dominating power in early Mesoamerican history. Mesoamerican languages Mesoamerican languages are the languages indigenous to the Mesoamerican cultural area, which covers southern Mexico, all