Oklahoma (OK).

This article provides general almanac information on the state of Oklahoma. Admitted into the Union in 1907, Oklahoma was the 46th U.S. state. Among the details included within this article are the origin of the state name, information on the capital, design of the state flag, and notes on the official state symbols. There are demographic statistics, environment and geography information, education and culture data, and political and economic details. A chronology of key historical events and notable natives of the state are also listed.