The Swedish Crusades were a series of military campaigns initiated by Sweden during the late Middle Ages, primarily aimed at converting the pagan peoples of the Baltic region to Christianity. These expeditions, which took place from the 12th to the 14th centuries, were part of a broader movement known as the Northern Crusades. The most notable of these campaigns included the First Swedish Crusade to Finland, which sought to establish control over the region and spread Christianity. The crusades were often led by Swedish kings and involved alliances with other Christian powers, such as the Teutonic Knights. The outcomes of these campaigns significantly influenced the political and religious landscape of the Baltic area, leading to the establishment of Swedish influence in regions like Finland and parts of the Baltic States. Over time, these efforts contributed to the integration of these territories into the growing Swedish realm.