Prehistoric cultural affiliation(s) include Lower Loup, Historic Pawnee and Grand Pawnee dating back to 1500.
The famous person John F. Zeilinger is associated with one of more of the Butler County historic places.
Some of the country's most noteable architects helped create the Butler County places including Lt. Daniel Woodbury, Jones & Laughlin Steel Co., CRM Co., King Bridge Co., Elkhorn & Missouri Valley RR Fremont, Canton Bridge Co., Henry Olsen and J.M. Nachtigal. Prominent architectural styles found in Butler Country are Colonial Revival, Late Gothic Revival and Moderne.