File:Opening of The Vikings, pp. 4–5.jpg - Wikimedia Commons

File:Administrative division of denmark in medieval times.jpg - Wikipedia

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File:The Vikings Begin 68 - warrior helmet, Valsgärde boat grave 5, 7th century.jpg - Wikimedia Commons

File:Ingeborg, peter nicolai arbo.jpg - Wikipedia

File:Stieler 1867 Atlas page Danmark with insets (Greenland cropped).jpg - Wikimedia Commons

File:Viking-ship-head.JPG - Wikimedia Commons

File:Fundacion de Santiago.jpg - Wikipedia

File:Amundsen-in-ice.jpg - Wikimedia Commons

Oseberg Ship - Wikipedia

File:Vikings sickle scissors shovel plough ax hooks scythes - 25821129781 Swedish History Museum (Historiska museet) MuseumsPartner exhibition Vikings Beyond the legend Australian National Maritime Museum Sydney 2013. jpg - Wikimedia Commons

File:1400, Slavonic. - 060 - Costumes of All Nations (1882).JPG - Wikimedia Commons

File:The Vikings Begin 47 - warrior helmet, Valsgärde boat grave 8, 7th century.jpg - Wikimedia Commons

File:Medieval games 2010.JPG - Wikimedia Commons