 Elected bishop of the Missionary District of Oklahoma and Indian Territory on January 6, 1893, Brooke arrived in Guthrie on January 19 and established Trinity Church as his cathedral church until 1908, when he moved the diocesan headquarters to Oklahoma City.An Illinois native, who served the church in Minnesota, Thurston was consecrated bishop of Eastern Oklahoma at Minneapolis in 1911.The previous year General Convention had divided the state into two dioceses.