On September 28, the following notable historical events related to Missouri occurred:

• 1806: The Lewis and Clark Expedition, having returned to St. Louis earlier in the month, was still being celebrated on or around September 28, 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 September 28, pro-slavery “Border Ruffians” from Missouri held rallies in Kansas City to support pro-slavery efforts in Kansas, contributing to the “Bleeding Kansas” conflict.
• 1861: During the Civil War, the aftermath of the First Battle of Lexington (September 20) continued in Missouri. On September 28, Confederate forces under Sterling Price were organizing their control over Lexington, solidifying their strategic position in the state.
• 1893: The Missouri Botanical Garden in St. Louis hosted a significant public exhibition around September 28, showcasing rare plant species and reinforcing its reputation as a leading botanical research center.
• 1920: The Kansas City Stockyards processed a record number of livestock around September 28, underscoring Kansas City’s role as a major agricultural hub and boosting Missouri’s economy.
• 1998: The St. Louis Cardinals played a notable game against the Montreal Expos at Busch Stadium on September 28, with Mark McGwire hitting a key home run, continuing his record-breaking season and cementing Missouri’s baseball legacy.