1. On August 15, 1914, the Grand Canyon National Park was established. This park is one of the most visited tourist destinations in Arizona and is known for its stunning and unique geological formations.

2. August 15, 1947, marks the day when India gained independence from the British Empire. This event had a significant impact on Arizona, as many Indian immigrants moved to the state in search of new opportunities and a better life.

3. In 1960, a fire broke out in downtown Phoenix on August 15, causing over $4 million in damage to local businesses and buildings. The cause of the fire was never determined, but it remains one of the most devastating fires in Arizona history.

4. August 15, 1975, is the date when the first Mexican-American woman was appointed to a judgeship in Arizona. Mary Anne Richey was appointed to the Maricopa County Superior Court, paving the way for more diverse representation in the judiciary.

5. On August 15, 2007, the Phoenix Zoo welcomed the birth of a rare baby elephant named Nandi. The elephant was the first to be born at the zoo in over a decade and brought much excitement and joy to visitors and animal lovers throughout the state.