On October 1, 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 1, with local festivities in St. Louis honoring their exploration of the Louisiana Purchase, reinforcing Missouri’s role as a western hub.
• 1856: During the “Bleeding Kansas” conflict, pro-slavery “Border Ruffians” from Missouri were active on or around October 1, crossing into Kansas to disrupt anti-slavery efforts, escalating violence and highlighting Missouri’s role in the national slavery debate.
• 1861: During the Civil War, Missouri remained a battleground. On or around October 1, Confederate forces under Sterling Price, after their victory at Lexington, were regrouping, while Union forces planned counteroffensives to regain control in the state.
• 1883: The Missouri Botanical Garden in St. Louis hosted a major public exhibition around October 1, showcasing rare plant species and reinforcing its status as a leading botanical research center.
• 1933: The Great Depression impacted Missouri, and on or around October 1, New Deal-funded Works Progress Administration projects began in Kansas City, constructing public infrastructure to provide jobs and stimulate the economy.
• 2004: The St. Louis Cardinals played a significant game against the Milwaukee Brewers at Busch Stadium on October 1, with Albert Pujols hitting a key home run, contributing to their strong season and Missouri’s baseball legacy.

If you want more events, a specific focus, or another date, let me know!