# spacetime

> a four-dimensional extent within which entities exist and have physical relationships to each other

**Wikidata**: [Q133327](https://www.wikidata.org/wiki/Q133327)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Spacetime)  
**Source**: https://4ort.xyz/entity/spacetime


## References

1. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
2. Nuovo soggettario
3. Freebase Data Dumps. 2013
4. BabelNet
5. Quora
6. [Source](https://encyklopedia.pwn.pl/haslo/czasoprzestrzen;3889305.html)
7. National Library of Israel
8. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)