The postmaster in Circleville, Ohio in the 1800s, Caleb Atwater explored mounds found near his home town. His observations led him to believe that the moundbuilders were Hindus that had migrated from India and then moved on to Mexico. His observations and theories were published in a two part paper in 1820. If you are looking for different meanings of this word, see Postmaster (disambiguation) A postmaster is a term used in post offices to denote the head or master of the office. ... There are several locations in the United States with this name Circleville in Rush County, Indiana Circleville in Jackson County, Kansas Circleville in Cape Girardeau County, Missouri Circleville in Orange County, New York Circleville in Pickaway County, Ohio Circleville in Westmoreland County, Pennsylvania Circleville in Williamson County, Texas Circleville in... Official language(s) None Capital Columbus Largest city Columbus (largest metropolitan area is Cleveland) Area  - Total  - Width  - Length  - % water  - Latitude  - Longitude Ranked 34th 116,096 km² 355 km 355 km 8. ... Events and Trends Beginning of the Napoleonic Wars (1803 - 1815). ... mounds may refer to: Mounds, Illinois Mounds, Oklahoma Tumulus (a mound or barrow) Mounds as mythical creatures A candy bar produced by Hersheys This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... A Hindu (archaic Hindoo), as per modern definition is an adherent of philosophies and scriptures of Hinduism, the predominant religious, philosophical and cultural system of the Indian subcontinent and the island of Bali. ... 1820 was a leap year starting on Saturday (see link for calendar). ...