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In page Eugene, Oregon:

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Eugene's Saturday Market, open every Saturday from April through November,[4] was founded in 1970 as the first "Saturday Market" in the United States.[5] It is adjacent to the Lane County Farmer's Market in downtown Eugene. All vendors must create or grow all their own products. The market reappears as the "Holiday Market" between Thanksgiving and New Year's in the Lane County Events Center at the fairgrounds.[citation needed]