On September 26, the following notable historical events related to Missouri occurred:

• 1806: The Lewis and Clark Expedition, having returned to St. Louis a few days earlier, was being celebrated on or around September 26, 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 were high. On or around September 26, pro-slavery groups in St. Louis held meetings to counter abolitionist efforts, reflecting Missouri’s divided stance in the national debate.
• 1861: During the Civil War, the aftermath of the First Battle of Lexington (September 20) continued in Missouri. On September 26, Confederate forces under Sterling Price were organizing their control over Lexington, reinforcing their strategic position in the state.
• 1890: The Missouri Pacific Railroad expanded its network through southwest Missouri around September 26, connecting Springfield to other regions and boosting the state’s economic infrastructure.
• 1927: The Missouri State Fair in Sedalia was ongoing around September 26, showcasing agricultural innovations and attracting large crowds, reinforcing Missouri’s rural heritage.
• 1998: The St. Louis Cardinals played a notable game against the Montreal Expos at Busch Stadium on September 26, with Mark McGwire hitting a key home run, continuing his record-breaking season and cementing Missouri’s baseball legacy.