Linked from
The 18 pages that link to Gustavus Adolphus, each with the reason it gives.
Thirty Years' WarRelated: His victories made Sweden a leading Protestant power in the conflict.
ArtilleryRelated: His forces made lighter, more mobile guns a stronger part of battlefield tactics.
LivoniaRelated: His campaigns helped secure Swedish control over much of Livonia.
GothenburgRelated: His government established the city as a strategic Swedish port.
History of SwedenRelated: His campaigns helped establish Sweden as a major European power.
Ingrian WarRelated: His reign brought renewed Swedish pressure and the eventual peace settlement.