The Battle of Vienna took place on September 11, 1683, and the Battle of Vienna took place on September 11, 1683, and the Battle of Vienna took place two months after the conquest of Vienna by the Polish-South German Army of the Ottoman Empire, which defeated the Ottoman Empire's invasion of Europe on September 21, 1683. The Battle of Vienna took place on September 11, 1683, and the Battle of Vienna took place two months after the Ottoman Empire's conquest of Vienna. The Battle stopped the Ottoman Empire's invasion of Europe by the Ottoman Empire andined the Habsburg Dynasty's hegemony over Central Europe. The massive War of Vienna began on July 14, 1683, when the Ottoman Army, led by King John III of Poland, had a total of about 138,000 people (although most of