Please find here the answer to William the Conquerors son built a fortress on a key Northern river in 1080 giving this city its name that appeared at Today's Final Jeopardy September 1 2023. By visiting Dailyanswers.net regularly and familiarizing yourself with the daily answers, you'll develop a deeper understanding of the topics that frequently appear on the show. Please let us know if something is wrong, we will be more than happy to help you out.
Please find below the answer:
Newcastle
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