Oklahoma State Constitution
The Constitution of the State of Oklahoma is the governing document of the State of Oklahoma.
The Constitution was adopted in 1907, Oklahoma ratified the United States Constitution on November 16, 1907, as the 46th U.S. state. At its ratification, the Oklahoma Constitution was the longest governing document of any government in the U.S. The constitution has been regularly amended, beginning with an amendment approved in the same election in which it was ratified. More than 150 constitutional amendments have been approved by Oklahoma voters.
