1. Birth of Sandra Day O'Connor: On July 23, 1930, Sandra Day O'Connor, the first female Supreme Court Justice, was born in El Paso, Texas. O'Connor grew up on a cattle ranch near Duncan, Arizona, and attended Stanford University Law School. She served on the Supreme Court from 1981 to 2006.

2. Release of "Tombstone": The western movie "Tombstone" was released on July 23, 1993. The film depicts the famous shootout at the O.K. Corral in Tombstone, Arizona, and stars Kurt Russell, Val Kilmer, and Sam Elliott. The movie was a box-office success and has become a cult classic.

3. Arizona becomes a state: On July 23, 1911, Arizona became the 48th state in the United States. It was the last of the contiguous states to be admitted to the union. Arizona is known for its diverse geography, including the Grand Canyon, Sonoran Desert, and mountain ranges.

4. Apollo 11 Broadcast: On July 23, 1969, the television broadcast of the Apollo 11 space mission was watched by millions of people around the world. The mission, which was the first to land humans on the moon, was led by astronaut Neil Armstrong, who famously said, "That's one small step for man, one giant leap for mankind."

5. Meteorite strikes Winslow: On July 23, 1918, a meteorite struck the town of Winslow, Arizona. The meteorite weighed about 100 pounds and was estimated to be about 10 million years old. It caused a crater that was about 4 feet deep and 20 feet wide. The meteorite is on display at the University of Arizona's Flandrau Science Center.