Saint Mary's Church on Gotland, later to become Visby Cathedral (pictured), was consecrated. Gotland: Gotland, also historically spelled Gottland or Gothland, is Sweden's largest island. It is also a province/county, municipality, and diocese. The province includes the islands of Fårö and Gotska Sandön to the north, as well as the Karlsö Islands to the west. The population is 61,023 (2024) of which about 23,600 live in Visby, the main town. July 27, 1225. Wiki link