The Orkneyinga Saga is a historical narrative that chronicles the history of the Orkney Islands and their rulers, particularly the Earls of Orkney. Written in the 13th century, it combines history, legend, and genealogy, providing insights into the Norse culture and the Viking Age in the British Isles. The saga features notable figures such as Rognvald Kali Kolsson, the first Earl of Orkney, and his descendants. It also highlights the interactions between the Norse settlers and the indigenous populations, illustrating the complexities of power, loyalty, and conflict during that era.