King Sigurd I, also known as Sigurd the Crusader, was a king of Norway who reigned from 1103 to 1130. He is best known for leading a military expedition to the Holy Land during the Crusades, where he sought to support Christian efforts in the region. Sigurd's journey included notable stops in Jerusalem and Constantinople, and he returned home with stories of his adventures. During his reign, Sigurd I worked to strengthen the kingdom and promote Christianity. He was known for his efforts to build churches and support the Catholic Church. Sigurd's legacy includes his contributions to the unification of Norway and his role in the broader context of medieval European history.