    the territory of oklahoma was an organized incorporated territory of the united states that existed from may 2, 1890, until november 16, 1907, when it was joined with the indian territory under a new constitution and admitted to the union as the state of oklahoma. the 1890 oklahoma organic act organized the western half of indian territory and a strip of country known as no man's land into oklahoma territory. reservations in the new territory were then opened to settlement in land runs later that year and in 1891 and 1893. seven counties were defined upon the creation of the territory. although they were designated by number, they would eventually become logan county, cleveland county, oklahoma county, canadian county, kingfisher county, payne county and beaver county. the land run of 1893 led to the addition of kay county, grant county, woods county, garfield county, noble county, and pawnee county. the territory acquired an additional county through the resolution of a boundary dispute with the u.s. state of texas, which today is split into greer county, jackson county, harmon county, and part of beckham county. ==history==  ===organization=== oklahoma territory's history began with the indian intercourse act of 1834 when the united states congress set asi
Indian_Territory Native_American_history_of_Oklahoma Oklahoma_Territory Pre-statehood_history_of_Oklahoma States_and_territories_disestablished_in_1907 States_and_territories_established_in_1890