On July 2, 1833, the final title for the Arivaca Land Grant was awarded to Tomas and Ignacio Ortiz.
On this date in 1864, Congress made the Arizona Territory a part of the Surveying District of New Mexico, thus providing for surveying operations within Arizona. Surveys were begun at Initial Point, a stone monument, 8 feet in diameter at the base, 4 feet at the top and 8 feet high, which was placed on a hill on the south side of the Gila River opposite the mouth of the Salt River.
On this date in 1908, Coconino National Forest was created from parts of Black Mesa, Tonto and Grand Canyon Forest Reserves.
THURSDAY, JULY 3
On this date in 1839, Erastus Snow, co-founder of the town of Snowflake, was born.
On this date in 1887, the first railroad line to Phoenix began operation. Crowds gathered at the depot as the first engine pulled into town with three little girls, Mabel Hancock and Serene and Cora Goodrich, ringing the bell.
On this date in 1917, Gila County Sheriff Tom Armer swore in 400 citizens to protect the property at the Old Dominion Mine during a strike, pending the arrival of federal troops.
FRIDAY, JULY 4
On this date in 1880, George Warren gambled his interest in the Copper Queen Mine at Bisbee on a horse race and lost. His share eventually became worth $20 million.
On this date in 1917, Arivaca Land and Cattle Co. sponsored a big Fourth of July celebration with a rodeo, burro and pony races, contests and games.
On this date in 1921, Fourth of July merrymaking combined with a celebration of the progress of the government diversion dam near Florence was interrupted when a 3-foot wall of water rose behind and quickly topped the unfinished dam, sending picnickers scrambling for higher ground.
On this date in 1925, two days of rain storms flooded Tucson, washed out the Nogales road and brought down telephone and telegraph lines throughout southern Arizona.
SATURDAY, JULY 5
On this date in 1867, Andrew E. Douglass, astronomer and educator, who developed dendrochronology, the science of tree-ring dating, was born.
On this date in 1917, four troops of the U.S. Cavalry and one machine gun troop were rushed to Globe when state authorities could not control the rising disorder among the miners there. In Ajo at the New Cornelia Mine, 75 percent of the miners joined the Worker’s Loyalty League, pledging not to strike.
On this date in 1936, 10 contestants were injured, one fatally, at Prescott’s annual Frontier Days Rodeo.