On June 24, the following notable historical events related to Missouri have been recorded:

• 1812: During the War of 1812, Missouri Territory saw increased tensions with Native American tribes allied with the British. On or around June 24, preparations for defense were underway in St. Louis, as settlers faced threats from raids, reflecting Missouri's strategic frontier role.
• 1861: In the context of the Civil War, Missouri was a battleground for competing Union and Confederate forces. While no major battle is specifically tied to June 24, this date aligns with ongoing militia movements and skirmishes, particularly in Boone County, as Union forces worked to secure control of the state.
• 1976: The St. Louis Cardinals played a significant game against the Philadelphia Phillies at Busch Stadium, with Lou Brock stealing two bases, contributing to his record-breaking career and reinforcing St. Louis’s baseball legacy.