# Solar cycle 18

> Solar activity from 1944 to 1954

**Wikidata**: [Q7556131](https://www.wikidata.org/wiki/Q7556131)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Solar_cycle_18)  
**Source**: https://4ort.xyz/entity/solar-cycle-18


## References

1. Freebase Data Dumps. 2013