Sunday, May 24
On this date in 1869, John Wesley Powell and his party began their historic exploration of the Colorado River.
On this date in 1915, Arizona and California celebrated the opening of the new “Ocean to Ocean” highway bridge at Yuma.
On this date in 1925, R.J. Jones of Phoenix, who owned a 160-acre 165-hectare) tract of land located a mile and a half( (2 kilometers) from the Casa Grande ruins, announced that the land would be subdivided and a new town called Coolidge would be built.
On this date in 1930, the State of Arizona presented a bronze statue of John Campbell Greenway to Statuary Hall in Washington, D.C.