# Julian calendar

> calendar introduced by Julius Caesar in 45 BC

**Wikidata**: [Q11184](https://www.wikidata.org/wiki/Q11184)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Julian_calendar)  
**Source**: https://4ort.xyz/entity/julian-calendar


## References

1. Library of Congress
2. RAMEAU
3. A Short History of Astronomy
4. Freebase Data Dumps. 2013
5. Biblioteca Nacional de España
6. Integrated Authority File
7. Explanatory Supplement to the Astronomical Almanac 3rd ed.
8. FactGrid
9. National Library of Israel
10. KBpedia