1. In 1889, the Land Run of 1889 began on June 4th, where over 50,000 settlers raced to claim land in what is now Oklahoma. It was the largest land rush in U.S. history and marked the official opening of the Unassigned Lands for settlement.

2. On June 4, 1927, aviation history was made in Oklahoma when Charles Lindbergh landed his plane, the Spirit of St. Louis, in Oklahoma City as part of his historic cross-country tour. Thousands of people came out to see the famous aviator and his plane.

3. In 1943, during World War II, a massive explosion occurred at the Adair oil refinery near Tulsa on June 4th. The explosion killed 20 people and injured over 50 others. It was one of the worst industrial accidents in Oklahoma history.

4. On June 4, 1987, the Oklahoma Legislature designated the Rose Rock as the state rock. The Rose Rock is a unique sandstone formation that is only found in a specific region of Oklahoma, making it a symbol of the state's natural beauty and geology.

5. In 2014, on June 4th, the tornado outbreak in Oklahoma that began on May 30th continued, producing several more tornadoes throughout the state. One of the most notable tornadoes was an EF2 that hit Moore, causing damage to homes and businesses, but fortunately, there were no deaths or serious injuries.