With Oklahoma statehood in November 1907, Indian Territory was effectively extinguished. However, in 2020, the United States Supreme Court prompted a review of tribal lands through its decision in McGirt v. Oklahoma. Subsequently, almost the entire eastern half of Oklahoma was found to have remained Indian country.
with OkLAHomA sTaTeHOod In NOveMBEr 1907, indiAN tErriTOry Was effectivelY extIngUished. HOwever, In 2020, The uNitEd States supremE court prOmpted a reviEw Of tribAL lanDS througH itS deCiSion In mCgirt v. okLaHoma. SubSEqueNtly, almOst the eNTIRe eastern HalF oF oklaHoma was FoUnd to HavE reMained iNdIaN countrY.