# megaannum

> unit of a quantity of 1,000,000 years

**Wikidata**: [Q20764](https://www.wikidata.org/wiki/Q20764)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Million_years_ago)  
**Source**: https://4ort.xyz/entity/megaannum


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)