# California Jam

> one-day rock music festival in April 1974 at Ontario Motor Speedway in California

**Wikidata**: [Q2933988](https://www.wikidata.org/wiki/Q2933988)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/California_Jam)  
**Source**: https://4ort.xyz/entity/california-jam


## References

1. Freebase Data Dumps. 2013