Principal seats of War in Europe 1618-1660

Illustrating the campaigns of
- Ernest of Mansfeld 1621-1622
- Ernest of Mansfeld, Christian IV 1626
- Albrecht von Wallenstein 1626
- Bethlen Gabor 1626
- Gustavus Adolphus 1630-1632
- Albrecht von Wallenstein 1632
- Charles X 1658
Source: The Historical Atlas by William R. Shepherd, 1923.

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