1. On December 8, 1863, Confederate troops under the command of General John S. Marmaduke attacked the town of Fayette, Missouri during the Civil War. The Union garrison was able to repel the attack, but the town suffered significant damage.

2. On December 8, 1865, Missouri ratified the Thirteenth Amendment to the United States Constitution, which abolished slavery and involuntary servitude.

3. On December 8, 1927, the Missouri State Capitol building in Jefferson City was dedicated. The building was designed by the prominent architect Tracy Swartwout and features a dome made of stainless steel.

4. On December 8, 1936, the Missouri Conservation Commission was established, marking the beginning of modern conservation efforts in the state. The commission is responsible for managing Missouri's forests, wildlife, and natural resources.

5. On December 8, 1963, the "Bonneville Salt Flats Invitational" race was held in Bonneville, Missouri. The event featured high-speed racing on the salt flats and attracted participants from all over the country. Today, the flats are a popular destination for land speed racing enthusiasts.