# Mesoamerican Long Count calendar

> non-repeating base-20 and base-18 calendar used by several pre-Columbian Mesoamerican cultures, including the Maya

**Wikidata**: [Q767358](https://www.wikidata.org/wiki/Q767358)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Mesoamerican_Long_Count_calendar)  
**Source**: https://4ort.xyz/entity/mesoamerican-long-count-calendar


## References

1. Freebase Data Dumps. 2013