In 1631 the Protestant electors of Brandenburg and Saxony and the Swedish king Gustav Adolf II formed an alliance.

- Image ID: TA33RA
In 1631 the Protestant electors of Brandenburg and Saxony and the Swedish king Gustav Adolf II formed an alliance. Stock Photo
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In 1631 the Protestant electors of Brandenburg and Saxony and the Swedish king Gustav Adolf II formed an alliance.
Sueddeutsche Zeitung Photo / Alamy Stock Photo
Image ID: TA33RA
Allies in the Thirty Years' War, 1631. In 1631 the Protestant electors of Brandenburg and Saxony and the Swedish king Gustav Adolf II formed an alliance. Date created: 01/01/1631