D&D's Original Hex Crawl and one of the first game settings
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OD&D Setting Posts in PDF
https://initiativeone.blogspot.com/2013/05/od-setting-posts-in-pdf.html
Semper Initiativus Unum - a blog for old school dungeon fantasy RPGs.
https://initiativeone.blogspot.com/2013/05/od-setting-posts-in-pdf.html read the setting pdf
inside you will learn how to make D&D an Arthurnian Game of High Fantasy.