On July 5, the following notable historical events related to Missouri have been recorded:

• 1804: The Lewis and Clark Expedition, traveling through Missouri, was near present-day St. Joseph on or around July 5. The explorers documented interactions with local Native American tribes and the Missouri River’s challenging conditions, contributing to their historic mapping of the West.
• 1861: During the Civil War, the Battle of Carthage occurred on July 5 in Jasper County, Missouri. Confederate forces under Governor Claiborne Jackson defeated a smaller Union force led by Colonel Franz Sigel, marking one of the first organized battles in Missouri and highlighting the state’s early role in the conflict.
• 1929: The St. Louis Cardinals played a notable doubleheader against the Chicago Cubs at Sportsman’s Park. The Cardinals split the games, with Jim Bottomley hitting a key home run, reinforcing St. Louis’s prominence in baseball.