Monday, February 1st
On this date in 1875, Pinal County was created by an act of the 8th Territorial Legislature from parts of Maricopa and Pima Counties.
On this date in 1913, the Pima County Board of Supervisors authorized the purchase of split logs to be placed with persons living along Speedway Boulevard so they would be handy for use after a hard rain to drag the road.
On this date in 1935, the gate at Boulder Dam was closed and Lake Mead began to fill.
On this date in 2004, a two-week standoff at Arizona State Prison Complex-Lewis in Buckeye comes to an end when inmates Ricky Wassenaar and Steven Coy, who held a corrections officer hostage, surrender.
On this date in 2009, the Arizona Cardinals lost to the Pittsburgh Steelers 27-23 at Super Bowl XLIII in Tampa, Florida.