9th century: Difference between revisions

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Latest revision as of 09:50, 10 November 2007

Events

Significant people

Inventions, Discoveries, Introductions

  • First image of a rotary grindstone in a European source - illustration shows crank, first known use of a crank in the West (Utrecht Psalter, A.D. 843)

Some Groups that Cover This Period

Internal Links

See also: