The Wallow Fire in Apache-Sitgreaves National Forest burning out of control in June, 2011.

Photo courtesy Jayson Coil

1881: The first official execution in Pima County takes place in Tucson. At 11 minutes prior to 3 p.m., Thomas Harper was hanged for killing John Talliday the previous year. Harper claimed he shot Talliday in self-defense.

1911: The City of Prescott Chamber of Commerce presents the University of Arizona with a pair of iron gates for its main entrance.

1922: Thirty businesses are flooded, the power plant fails, three bridges are washed out and many Mexican adobe dwellings dissolve into mud in the twin cities of Nogales.

2011: The Wallow Fire, which is the largest recorded Arizona wildfire, is contained after burning 538,049 acres in eastern Arizona over 41 days.

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