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The Köprülü Dynasty, led by Mehmed Köprülü, played a vital role in the revival and resurgence of the Ottoman Empire during the 17th century. This period, known as the Köprülü Era, was marked by significant reforms, military victories, and a remarkable transformation in the empire's governance. The Köprülü grand viziers implemented sweeping changes in the military and provincial administration, resulting in increased efficiency and effectiveness.