On October 15, the following notable historical events related to Missouri occurred:

• 1806: The Lewis and Clark Expedition, having returned to St. Louis in late September, was still celebrated on or around October 15, with ongoing festivities in St. Louis honoring their exploration of the Louisiana Purchase, reinforcing Missouri’s role as a western hub.
• 1857: During the prelude to the Civil War, tensions over slavery escalated. On or around October 15, pro-slavery “Border Ruffians” from Missouri held rallies in Westport to support pro-slavery efforts in Kansas, contributing to the “Bleeding Kansas” conflict.
• 1864: During the Civil War, Confederate forces under General Sterling Price were active in Missouri during Price’s Raid. On or around October 15, they engaged in skirmishes with Union forces near Glasgow, consolidating their control over the area temporarily.
• 1890: The St. Louis-based Anheuser-Busch brewery expanded its refrigerated shipping operations around October 15, enabling broader distribution of Budweiser and reinforcing Missouri’s prominence in the brewing industry.
• 1927: The Kansas City Stockyards processed a record number of livestock around October 15, underscoring Kansas City’s role as a major agricultural hub and boosting Missouri’s economy.
• 1964: The St. Louis Cardinals won the World Series against the New York Yankees on October 15 at Busch Stadium, with Bob Gibson pitching a complete game and earning MVP honors, cementing Missouri’s baseball legacy.