On February 29, 1864, Rio Hill was the site Albemarle County's only civil war battle, the Battle of Rio Hill. Home to a Confederate winter camp, comprising of four batteries of the Stuart Horse Artillery commanded by Captain Marcellus N. Moorman, it was attacked by Union General George A. Custer and about 60 of his men as part of a a diversionary raid. Despite the destruction to the camp, 200 Confederates rallied in a counterattack which forced Custer’s withdrawal. Few casualties were reported.
- Rio Hill 1864 Skirmish Marker The Historical Marker Database, retrieved 1 Jul 2009.
- Skirmish at Rio Hill Marker The Historical Marker Database, retrieved 1 Jul 2009.