The Nebraska State Historical Society has designated nine locations in Washington County with State Historic Markers.  The Society is responsible for commemorating significant events, people, places, sites, movements, and traditions in Nebraska history by coordinating the erection of historical markers.  For more information about Nebraska Historical Markers, please visit the NSHS website.

	Marker 2 Fort Atkinson US Highway 75, Fort Calhoun, Nebraska (Washington County Museum)
	Marker 119 DeSoto Townsite US Highway 75, 5 miles north of Fort Calhoun, Nebraska (OPPD Power Station) [TEXT]
	Marker 177 Congregational Church 16th & Grant Streets Blair, Nebraska [TEXT]
	Marker 217 Cuming City Cemetery 1/2 mile west of US Highway 75 & ??? North of Blair, Nebraska [TEXT]
	Marker 341 Lewis and Clark Campsite July 30 - August 2, 1804 Fort Atkinson State Historical Park West of Fort Calhoun, Nebraska [TEXT]
	Marker 342 Lewis and Clark Campsites August 3-4, 1804 US Highway 75 & Bridgeview Road South of Blair, Nebraska [TEXT]
	Marker 117 (replaced 67) Fort Atkinson US Highway 75, Fort Calhoun, Nebraska [TEXT]
	Marker 137 Steamboat Bertrand East of Blair on US 30 (DeSoto National Wildlife Refuge) [TEXT]
	Marker 420 Brewster Cemetery 2.5 miles west of U.S. 30 on County Road 26 Two miles North of Kennard. (NE 1/4 NW 1/4 Section 29 Township 18, Range 11)
List of other Nebraska Historic Markers