OKLAHOMA – By the 1830s the tribes usually described as native to Oklahoma at the time of European contact include the Wichitas, Caddos, Plains Apaches, and the Quapaws had been displaced by other tribes such as the Osages, Pawnees, Kiowas and Comanches migrating into Oklahoma following the European arrival in America, moreover, Anglo-American pressures in the Trans-Appalachian West forced native peoples across the Mississippi River; many including Delawares, Shawnees and Kickapoos found refuge or economic opportunities in present Oklahoma before 1830. 174 more words