1. In 1903, the first county fair in Oklahoma Territory was held in Lawton. The fair included exhibits showcasing agriculture, livestock and home economics.

2. On July 23, 1966, the National Cowboy Hall of Fame and Western Heritage Center opened in Oklahoma City. The museum celebrates the history and culture of the American West through exhibits, events, and educational programs.

3. In 1951, the Oklahoma City Zoo opened its doors to the public. Located in the heart of the city, the zoo is home to more than 1,800 animals and is one of the most popular attractions in the state.

4. On this day in 1979, the Oklahoma State Senate passed a resolution naming the song "Oklahoma!" as the official state song. The song, written by Richard Rodgers and Oscar Hammerstein II, celebrates the beauty and spirit of the state.

5. In 1902, the state of Oklahoma passed the first municipal prohibition law, making it illegal to sell alcohol in Oklahoma City. The law was later repealed in 1933 after the end of Prohibition.