A Bill (H.R. 18166) "to enable the people of New Mexico to form a constitution and State government, and to enable the people of Arizona to form a constitution and State government," was reported from Committee on Territories of the House of Representatives, as a substitute for pending statehood measures, by Hon. Edward L. Hamilton of Michigan, January 14, 1910; debated and passed January 17, 1910. In the Senate, referred to Committee on Territories, January 18, 1910; reported back from the committee, with an amendment to "strike out all after the enacting clause and insert a new bill," by Hon. Albert J. Beveridge of Indiana; amended and passed June 16, 1910; amendment concurred in June 18, 1910; approved by President June 20, 1910. Election for delegates to Arizona constitutional convention, September 12, 1910; convention held at Phoenix, October 10-December 9, 1910; constitution ratified by people February 9, 1911.