Below are some interesting facts about November 18 in Arizona history.

1. In 1887, Arizona was officially recognized as a state, making November 18 the state's birthday. The day is celebrated annually as Statehood Day.

2. On November 18, 1929, the Grand Canyon was established as a national park by President Herbert Hoover. The vast chasm had been under federal protection as a Forest Reserve and Game Preserve since 1893.

3. In 1950, a US military bomber crashed into the Superstition Mountains, killing all 28 men aboard. The wreckage was found years later and became known as the "Lost Dutchman's Mine" due to myths and legends that the plane was carrying a secret cargo.

4. On this day in 1985, the Phoenix Suns set an NBA record by scoring 173 points in a game against the Denver Nuggets. The Suns won the game with a final score of 173-143.

5. November 18, 1995, marked the grand opening of the Arizona Science Center in downtown Phoenix. The center features interactive exhibits, a planetarium, and programs designed to educate visitors of all ages about science and technology.