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In page Speed skating:

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The origins of speed skating date back over a millennium in the North of Europe, especially Scandinavia and the Netherlands, where the natives added bones to their shoes and used them to travel on frozen rivers, canals and lakes.[1] Later, in Norway, King Eystein Magnusson, later King Eystein I of Norway, boasts of his skills racing on bone skates, so called "ice legs".[citation needed]