On its journey to the Pacific Ocean the Lewis and Clark Expedition camped near here on September 2, 1804. At this camp the explorers' imagination and knowledge of military fortifications misled them into concluding that sand ridges and mounds…

On the night of June 2, 1969, while on maneuvers in the South China Sea off the coast of Vietnam, the Australian aircraft carrier Melbourne was in collision with the destroyer USS Frank E. Evans. The impact cut the Evans in two, the bow section…

This has been the homeland of the Ponca Indians since earliest recorded history. In 1868, the federal government signed the Treaty of Fort Laramie which transferred the land to the Sioux without the permission of the Ponca. Treaties made with the…