The Siege of Vienna in 1529 was a major event in the history of the Holy Roman Empire. It was an attempt by the Ottoman Empire to capture the city of Vienna, the capital of the Holy Roman Empire. The siege lasted for two months, from July to September, and ended in
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The Battle of Vienna took place at Kahlenberg Mountain near Vienna on 12 September 1683 after the city had been besieged by the Ottoman Empire for two months. The battle was fought by the Holy Roman Empire, led by the Habsburg monarchy, and the Polish–Lithuanian Commonwealth, both under the command of Polish King John III Sobieski, against the Ottomans and their vassal and tributary states.