Arizona, History Arizona History – August 15th August 15, 2020 Ben Leave a comment Saturday, August 15th On this date in 1888, three men were lynched at Holbrook during the aftermath of the Pleasant Valley War. On this date in 1898, a locomotive boiler exploded in Prescott destroying the roundhouse and killing two men. On this date in 1913, eight buildings were destroyed by fire at Ray and residents of the town pulled down several more buildings to prevent the entire town from burning. On this date in 1917, the federal government ruled that men holding mining claims did not need to do their assessment work while in the military service. On this day in 1995, Department of Public Safety Officer Bob Martin was shot during a traffic stop about two miles south of Saguaro Lake. A 19-year-old Globe man was arrested the next day after a standoff in California and charged with killing a convenience store clerk. The Beeline highway has since been renamed after Martin and another law enforcement agent killed in the line of duty.