May 13, 1628 – August 4, 1628

Stralsund resists Wallenstein with Danish and Swedish help

From 13 May to 4 August 1628 Stralsund holds out against Wallenstein. On 23 June it signs a twenty-year alliance with Gustavus Adolphus, who sends troops. It is Wallenstein's first setback and Sweden's foothold in the Empire.