Creek National Capitol, also known as Creek Council House, is a building in downtown Okmulgee, Oklahoma. It was capitol of the Muscogee (Creek) Nation nation from 1878 to 1907, when Oklahoma became a state. In 1919 the U.S. Department of the Interior sold the building to the city of Okmulgee.It was declared a National Historic Landmark in 1961.The building now houses the Creek Council House Museum, with artifacts and exhibits about the history of the Muscogee (Creek) people and Native American arts and crafts. Since 2006 the Muscogee (Creek) Nation had expressed an interest in buying back the building. In August 2010 the city of Okmulgee agreed to sell the building back to the tribe for $3.2 million; the sale was completed and ownership transferred in November 2010.