Oklahoma is a state located in the South Central region of the United States of America. Oklahoma is a state in the Great Plains region of the United States of America. Oklahoma celebrates their centennial of statehood in 2007. Oklahoma became a state on November 16th, 1907. Many people in the world associate Oklahoma City with a terriorist act, while others think of the state as the desolate and windswept depression-era landscape described in Steinbeck’s The Grapes of Wrath. While the former is aware of it’s past and celebrates the human sprit discovered from the tragic events of April 19, 1995, the latter is far from true now. Oklahoma is located in a temperate region and experiences occasional extremes of temperature and precipitation typical in a continental climate. Will Rogers World Airport located in Oklahoma City and Tulsa International Airport in Tulsa are the two major state airports for domestic and international air travel. Oklahoma City National Memorial and Museum in Oklahoma City. The memorial is both one of the most visible attractions in the city as well as the saddest, which has posed some problems for the city’s tourism department.