Battle of Nordlingen. The Battle of Nördlingen was fought in 1634 during the Thirty Years' War, on 27 August or 6 September.
The Roman Catholic Imperial army, bolstered by 15,000 Spanish soldiers, won a crushing victory over the combined Protestant armies of Sweden and their German-Protestant allies. After the failure of the tercio system in the first Battle of Breitenfeld in 1631, the professional Spanish troops deployed at Nördlingen proved the tercio system could still contend with the deployment improvements devised by Maurice of Orange and Gustavus Adolphus of Sweden in their respective troops.
The Battle of Nördlingen was part of the Thirty Years' War, fought from 1618 to 1648. The chief belligerents were the Catholic Habsburg dynasties consisting of an Austrian and Spanish branch and their allies on one side.
Opposed to them were the Protestant nations comprising the Dutch, Denmark, Sweden, various German principalities and later, Catholic France. After the Protestant victory at the Battle of Lützen two years before, the Swedes failed to follow up due to the death of their king, Gustavus Adolphus.
As a result, the Imperial forces began to regain the initiative. In 1634 Protestant German and Swedish forces moved south and invaded Bavaria, threatening a major Habsburg ally. In response, the Austrian Habsburg commander, Ferdinand of Hungary advanced west from Bohemia threatening to cut across th