1. On October 14, 1911, the Phoenix Union High School officially opened its doors. With just 90 students enrolled in its first year, the school has grown to become one of the largest high schools in Arizona.

2. In 1929, a record-breaking heat wave swept through Arizona, with temperatures reaching an unprecedented 126 degrees Fahrenheit in Phoenix on October 14. This remains the highest temperature ever recorded in the city.

3. On October 14, 1960, the Arizona State Fair opened its gates for the first time at its current location in Phoenix. Today, the fair attracts over 1 million visitors each year and features a wide variety of exhibits, attractions, and entertainment.

4. October 14, 1964, marked the opening of the Palo Verde Nuclear Generating Station, located 45 miles west of Phoenix. As the largest nuclear power plant in the United States, it provides electricity to over 4 million people in the southwestern U.S.

5. On October 14, 2004, the Phoenix Suns played their first home game at the newly-built US Airways Center (now called the Talking Stick Resort Arena). The Suns went on to win their first game in the arena, defeating the Denver Nuggets 109-93.