Oklahoma State Capitol Oklahoma State Capitol The Oklahoma State Capitol is the house of government of the U.S. state of Oklahoma. It is the building that houses the Oklahoma Legislature and executive branch offices. It is located along Lincoln Boulevard in Oklahoma City and contains 452,508 square feet of floor area. The present structure includes a dome completed in 2002. Oklahoma's first capital was Guthrie, Oklahoma, but it moved to Oklahoma City in 1910. Construction began on the Oklahoma State Capitol in 1914 and was completed in 1917. Originally, it housed the judicial branch of Oklahoma, but the state's high courts moved most
Capital punishment in Oklahoma Board. Two inmates post-"Furman" had their death sentences commuted. In earlier years Governor Lee Cruce commuted every death sentence imposed during his administration (1911–1915). Nitrogen gas inhalation option was added by the Oklahoma Legislature in 2015 and has never been used in a judicial execution, though it is routinely used to give a painless death in animal euthanasia. On December 16, 2010, Oklahoma became the first American state to use pentobarbital, in the execution of John David Duty. In 2014, Oklahoma placed scheduled executions on hold until the state's Department of Corrections implemented eleven proposed improvements in protocols governing capital