The address of the Traill County North Dakota Historical Society is: Po Box 173, Hillsboro, ND 58045-0173

There is a city called Hillsboro in Alabama, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Maryland, Mississippi, Missouri, New Mexico, North Dakota, Ohio, Oregon, Pennsylvania, Texas, Virginia, West Virginia, and Wisconsin. The largest Hillsboro in the country is in Oregon.

Elmore Y. Sarles (born January 15, 1859 in Wonewoc, Wisconsin; died February 14, 1929 in Hillsboro, North Dakota) succeeded Frank White as the ninth Governor of North Dakota, serving between January 4, 1905 and January 9, 1907, including the whole of 1906.

Saskatchewan and Manitoba, Canada are to the north of North Dakota and North Dakota is to the north of South Dakota.

North Dakota is up by the border of Canada, Wyoming is just next to South Dakota.