1. Flag Day: June 14 is celebrated as Flag Day in the United States. On this day in 1777, the Continental Congress adopted the Stars and Stripes as the official flag of the new nation. In Arizona, the occasion is observed with parades, patriotic speeches, and ceremonies honoring the flag.

2. Statehood Day: June 14 is also significant in Arizona history as it marks the day when the territory was officially granted statehood in 1912. Arizona was the 48th state to join the union, and to commemorate the occasion, a statewide celebration is held on this day every year.

3. Birth of Cheech Marin: On June 14, 1946, actor and comedian Richard "Cheech" Marin was born in Los Angeles, California. Marin is best known for his work with comedian Tommy Chong, and the duo's irreverent stoner humor has earned them a cult following over the years.

4. Phoenix Suns win the Western Conference: On June 14, 1993, the Phoenix Suns defeated the Seattle SuperSonics to win the Western Conference championship, and advanced to the NBA Finals for the first time in franchise history. Although they ultimately lost to Michael Jordan and the Chicago Bulls, the Suns' impressive run electrified the city and helped establish Phoenix as a major sports market.

5. Open Space Reserve created: June 14, 2001 saw the creation of the Greater Sonoran Desert National Monument, a vast open space reserve located in southern Arizona. The monument encompasses over 487,000 acres of desert wilderness, and is home to diverse plant and animal species, as well as important cultural and historical sites. The reserve is managed by the Bureau of Land Management, and is open to the public for hiking, camping, and other outdoor activities.