September 5, 1634 – September 6, 1634

Imperial and Spanish forces crush the Swedes at Nördlingen

On 5–6 September 1634 an Imperial-Spanish army routs the Swedish-German army of Horn and Bernhard of Saxe-Weimar at Nördlingen. Some 12,000 to 14,000 are killed or captured. Swedish power in southern Germany ends, and France soon enters the war.