Answer:
it was won by a Swedish-led Protestant army
Explanation: The Battle of Breitenfeld was fought on September 17, 1631, during the Thirty Years' War, and it was won by a Swedish-led Protestant army under the command of King Gustavus Adolphus against the Catholic forces of the Holy Roman Empire. The victory at Breitenfeld was seen as a turning point in the war as it marked the first significant victory for the Protestant side and demonstrated their military prowess. The battle had a significant impact on the outcome of the Thirty Years' War and helped establish Sweden as a major power in Europe.