Tuesday, May 26
On this date in 1881, the first telephone office was established in Tucson.
On this date in 1894, the city of Flagstaff was incorporated.
On this date in 1909, the Pima County Court dismissed a 22-year-old murder indictment against Geronimo.
On this date in 1910, the Pima County Board of Supervisors ruled they would not license saloons in mining camps that had no police force.
On this date in 1915, the first furnace was put into operation at the Clarkdale Smelter to smelt the ore from the United Verde mines at Jerome.
On this date in 1930, President Herbert Hoover signed the proclamation creating Sunset Crater National Monument.