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Welcome to the Encyclopedia of Arkansas
This Day in Arkansas History
March 16, 1966
The town of Avoca (Benton County) was incorporated. Located on U.S. Highway 62 between Rogers (Benton County) and Pea Ridge National Military Park, it has benefited from the general growth in population that northwestern Arkansas has experienced.
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About the Encyclopedia
The CALS Encyclopedia of Arkansas is a free, authoritative source of information about the rich history, geography, and culture of Arkansas. It is updated regularly to ensure the people of Arkansas have an accurate and accessible resource to explore our heritage. We invite you to browse our text entries and media galleries to learn more about the people, places, events, legends, and lore of the 25th state. We are continually adding new entries, photographs, maps, videos, and audio files, so check back frequently to see what’s new.
Our overview page covers everything you would want to know about our beautiful state, including state symbols, demographics and more!
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