1. Missouri Statehood Day: August 14, 1820, marks the day when Missouri officially became the 24th state to join the United States. This day is celebrated as Missouri Statehood Day.

2. The Great St. Louis Fire: On August 14, 1876, a massive fire broke out in downtown St. Louis, destroying an area of over 20 blocks. Despite the large-scale devastation, no lives were lost in the disaster.

3. Historic Route 66: On August 14, 1926, the famous highway known as Route 66 was established, connecting Chicago to Santa Monica, California. This iconic road became a symbol of American freedom and independence for many people.

4. Missouri State Fair: The Missouri State Fair, one of the state's largest annual events, typically takes place around August 14 each year. It features a wide variety of attractions, including livestock shows, carnival rides, live music, and agricultural displays.

5. The Birth of Linda Bloodworth-Thomason: On August 14, 1947, Linda Bloodworth-Thomason was born in Poplar Bluff, Missouri. She went on to become a successful television writer and producer, creating such hit shows as Designing Women and Evening Shade.