Prehistoric cultural affiliation(s) include Calaooia and Et.Al. dating back to 499 BC.
Several famous people are associated with these Clark County historic places including Ulysses S. Grant and Silas Maxon.
Some of the country's most noteable architects helped create the Clark County places including Hudson's Bay Co., Julius Zittel, Washington Clarke County and William J. Paeth. Prominent architectural styles found in Clark Country are Classical Revival, Late 19th And 20th Century Revivals and Late Victorian.