The Danelaw refers to a historical region in England that was under the control of the Danish Vikings during the late 9th and early 10th centuries. Established after the Viking conquests, it included parts of modern-day Yorkshire, Lincolnshire, and East Anglia. The term "Danelaw" signifies the laws and customs that the Vikings implemented in these areas, which were distinct from those of the Anglo-Saxons. The Danelaw was significant for its cultural and legal influences, as it blended Danish and Anglo-Saxon traditions. This region saw the establishment of towns like York, which became important trade centers. The Danelaw eventually diminished as the Anglo-Saxon kingdoms regained control, but its legacy remains in place names and cultural practices.