# Hanke–Henry Permanent Calendar

> proposal for calendar reform

**Wikidata**: [Q5929921](https://www.wikidata.org/wiki/Q5929921)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Hanke–Henry_Permanent_Calendar)  
**Source**: https://4ort.xyz/entity/hanke-henry-permanent-calendar


## References

1. Freebase Data Dumps. 2013