Concept
Version 2
Created by Boundless
Swedish Intervention
King Gustav of Sweden
The victory of Gustavus Adolphus at the Battle of Breitenfeld (1631)
A painting of Gustav of Sweden riding a horse on a hill overlooking a battlefield and countryside.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Strasbourg_walter_gustave_adolphe.JPG."
https://en.wikipedia.org/wiki/Thirty_Years%27_War#/media/File:Strasbourg_walter_gustave_adolphe.JPG
Wikipedia
CC BY-SA 3.0.