# Solar cycle 12

> Solar activity from 1878 to 1890

**Wikidata**: [Q7556119](https://www.wikidata.org/wiki/Q7556119)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Solar_cycle_12)  
**Source**: https://4ort.xyz/entity/solar-cycle-12


## References

1. Freebase Data Dumps. 2013