William of Tyre was a medieval historian and archbishop born around 1130 in Tyre, a city in present-day Lebanon. He is best known for his work, "A History of Deeds Done Beyond the Sea," which chronicles the events of the Crusades and the history of the Kingdom of Jerusalem. His writings provide valuable insights into the political and social dynamics of the time. As a cleric, William was deeply involved in the affairs of the Latin East and served as the archbishop of Tyre. His historical accounts are notable for their detailed descriptions and critical analysis, making him an important figure in the study of medieval history. William's work remains a key source for understanding the complexities of the Crusader states.