Plussa River region
E1816303
UNEXPLORED
The Plussa River region is a historically significant border area in northwestern Russia that served as the site of the 1583 Treaty of Plussa between Sweden and Russia.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Plussa River region canonical | 1 |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.