Context: Viking raids from 840 onwards contributed to the decline of Hamwic in the 9th century, and by the 10th century a fortified settlement, which became medieval Southampton, had been established.

Question: What kind of raids disturbed Hamwic in the 9th century?
Answer: Viking

Question: What year did the Vikings start attacking Hamwic?
Answer: 840

Question: In what century was a new settlement set up at the site of Hamwic?
Answer: 10th

Question: What was the name of the 10th-century fortified settlement that took Hamwic's place?
Answer: Southampton