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Mapping the Medieval World

1120

Information

Peterborough Abbey was the birth place of many great documents including the Anglo Saxon Chronicle, but a less well-known document in the Mappae mundi (world map) in the Peterborough Computus, also known as the Peterborough Map or Peterborough Diagrammatic Map. The map, dating from around 1120, attempts to explain the relation of counties, countries and cities within a large circle in a diagrammatic format that continues today in maps such as the London Underground map. Unlike modern maps, east is at the top of the map, with Jerusalem sitting at the centre of the world. Brittanaia (Britain) sits on the circle to the left of the circle; other recognisable names include Affrica, Roma and Nazareth. The map is held at the British Library in London and has been named as a sibling map to the Thorney Map, which in turn, was thought to have been a copy of the Ramsey Map from around 1016.