1. On June 13, 1902, the first telegraph wire was run from Phoenix to Maricopa, connecting the city to the rest of the country and further opening up communication and transportation opportunities in the state.

2. In 1936, Arizona Governor Benjamin B. Moeur established June 13 as Arizona Day, in honor of the state's admission to the Union in 1912.

3. On June 13, 1973, the giant sinkhole known as "The Monster Hole" suddenly appeared in the desert near Tucson, swallowing and destroying several buildings and vehicles. Fortunately, no human lives were lost in the incident.

4. June 13, 1987 saw one of the deadliest heat waves in Arizona history, with temperatures exceeding 120 degrees Fahrenheit and causing numerous deaths and health problems for people and animals alike.

5. In recent years, June 13 has been celebrated as "National Sewing Machine Day" across the United States, recognizing the important role that this invention has played in the history of American manufacturing and production.