 Though some regional and seasonal trade persisted into the 17th century, Hamar as a town ceased to exist by then.In its place, the area was used for agriculture under the farm of Storhamar, though the ruins of the cathedral, fortress, and lesser buildings became landmarks for centuries since then.The King made Hamarhus a feudal seat until 1649, when Frederick III transferred the property known as Hammer to Hannibal Sehested, making it private property.