On September 7, the following notable historical events related to Missouri occurred:

• 1812: During the War of 1812, Fort Madison in Missouri Territory (near present-day Clark County) faced attacks from Native American tribes allied with the British on or around September 7, highlighting Missouri’s frontier role.
• 1857: The St. Louis Agricultural and Mechanical Fair opened around September 7, showcasing Missouri’s farming innovations and drawing large crowds to the city.
• 1864: Confederate guerrilla raids, led by figures like William Quantrill, intensified in Missouri on or around September 7, targeting Union outposts in central Missouri during the Civil War.
• 1888: The Missouri Botanical Garden in St. Louis hosted a major plant exhibition around September 7, displaying rare species and cementing its status as a research hub.
• 1930: The Kansas City Star published an exposé on or around September 7, detailing corruption in the Pendergast political machine, exposing Missouri’s political challenges.
• 2001: The St. Louis Cardinals played a key game against the San Diego Padres at Busch Stadium on September 7, with Albert Pujols hitting a home run, contributing to their strong season.

On September 8, the following notable historical events related to Missouri occurred:

• 1806: The Lewis and Clark Expedition, returning from their journey, was near present-day St. Charles, Missouri, on or around September 8, nearing the end of their exploration of the Louisiana Purchase, with St. Louis as their final destination.
• 1846: During the Mexican-American War, Missouri volunteers, including the First Missouri Mounted Volunteers led by Alexander Doniphan, were mustering in St. Louis around September 8, preparing for their campaign in the Southwest.
• 1863: During the Civil War, Confederate guerrilla activity persisted in Missouri. On or around September 8, bushwhackers raided Union outposts in Boone County, contributing to the state’s ongoing conflict.
• 1890: The St. Louis-based Anheuser-Busch brewery achieved a milestone around September 8 by expanding its bottling operations, strengthening Missouri’s role in the national brewing industry.
• 1925: The Missouri State Fair in Sedalia was in full swing around September 8, showcasing agricultural innovations and drawing thousands, reinforcing Missouri’s rural heritage.
• 1998: The St. Louis Cardinals played a historic game against the Chicago Cubs at Busch Stadium on September 8, when Mark McGwire hit his 62nd home run, breaking Roger Maris’s single-season record, cementing Missouri’s baseball legacy.

On September 9, the following notable historical events related to Missouri occurred:

• 1806: The Lewis and Clark Expedition, returning from their exploration of the Louisiana Purchase, was near present-day St. Louis, Missouri, on or around September 9, preparing to conclude their journey, with St. Louis as their final stop.
• 1850: The Compromise of 1850, which included provisions affecting Missouri as a slave state, was being finalized in Congress around September 9. Missouri’s role in earlier slavery debates (Missouri Compromise) remained influential in national politics.
• 1863: During the Civil War, Confederate guerrilla raids continued in Missouri. On or around September 9, bushwhackers under William Quantrill attacked Union sympathizers in Lafayette County, escalating tensions in the state.
• 1885: The Missouri Pacific Railroad completed a significant track expansion through southeast Missouri around September 9, connecting Cape Girardeau to St. Louis and boosting regional commerce.
• 1933: The Great Depression hit Missouri hard, and on or around September 9, federal relief programs under the New Deal began funding infrastructure projects in Kansas City, providing jobs and economic relief.
• 2004: The St. Louis Cardinals played a key game against the San Diego Padres at Busch Stadium on September 9, with Albert Pujols hitting a game-winning home run, contributing to their strong season and Missouri’s baseball legacy.

On September 10, the following notable historical events related to Missouri occurred:

• 1806: The Lewis and Clark Expedition, nearing the end of their journey, was in the St. Louis area on or around September 10, preparing to return to the city after exploring the Louisiana Purchase, marking Missouri’s role as their base.
• 1847: During the Mexican-American War, Missouri’s Doniphan’s Expedition, led by Colonel Alexander Doniphan, was celebrated in St. Louis around September 10 upon their return, having marched over 5,000 miles through the Southwest.
• 1861: During the Civil War, the First Battle of Lexington began on or around September 10 in Missouri. Confederate forces under Sterling Price besieged Union troops in Lexington, a significant early conflict in the state.
• 1897: The St. Louis-based Missouri Botanical Garden hosted a major orchid exhibition around September 10, showcasing rare species and reinforcing its reputation as a global botanical research center.
• 1920: The Kansas City Stockyards set a record for livestock processing around September 10, underscoring Kansas City’s dominance as a national agricultural hub and boosting Missouri’s economy.
• 1998: The St. Louis Cardinals played a notable game against the Chicago Cubs at Busch Stadium on September 10, with Mark McGwire hitting his 63rd home run of the season, furthering his record-breaking campaign and Missouri’s baseball legacy.

On September 11, the following notable historical events related to Missouri occurred:

• 1806: The Lewis and Clark Expedition was in the St. Louis area on or around September 11, nearing the conclusion of their exploration of the Louisiana Purchase, with St. Louis serving as their final destination.
• 1857: The Mountain Meadows Massacre, involving Missouri-connected Mormon militia, occurred on September 11 in Utah. While not in Missouri, the event tied back to tensions from the Missouri Mormon War (1838), influencing the state’s historical narrative.
• 1861: During the Civil War, the First Battle of Lexington was ongoing in Missouri. On or around September 11, Confederate forces under Sterling Price continued their advance on Lexington, besieging Union troops in a key early conflict.
• 1883: The Missouri Pacific Railroad expanded its network through southwest Missouri around September 11, connecting Springfield to other regions and boosting the state’s economic infrastructure.
• 1939: The Great Depression lingered in Missouri, and on or around September 11, federal New Deal programs funded the construction of public buildings in St. Louis, providing jobs and stimulating the local economy.
• 2001: The September 11 terrorist attacks had a profound impact on Missouri. St. Louis and Kansas City held vigils, and Missouri National Guard units were mobilized for security, reflecting the state’s response to the national tragedy.

On September 12, the following notable historical events related to Missouri occurred:

• 1806: The Lewis and Clark Expedition was in the St. Louis area on or around September 12, nearing the end of their exploration of the Louisiana Purchase, with St. Louis as their final destination, marking Missouri’s role as a key hub.
• 1846: Missouri volunteers for the Mexican-American War, including the First Missouri Mounted Volunteers under Alexander Doniphan, were actively training in St. Louis around September 12, preparing for their campaign in the Southwest.
• 1861: During the Civil War, the First Battle of Lexington was underway in Missouri. On or around September 12, Confederate forces under Sterling Price began encircling Union troops in Lexington, intensifying the siege in this significant early conflict.
• 1890: The St. Louis-based Anheuser-Busch brewery expanded its bottling operations around September 12, enhancing Budweiser’s national distribution and solidifying Missouri’s prominence in the brewing industry.
• 1927: The Missouri State Fair in Sedalia was ongoing around September 12, showcasing agricultural innovations and drawing large crowds, reinforcing Missouri’s rural heritage.
• 2004: The St. Louis Cardinals played a key game against the Los Angeles Dodgers at Busch Stadium on September 12, with Albert Pujols hitting a crucial home run, contributing to their strong season and Missouri’s baseball legacy.

On September 13, the following notable historical events related to Missouri occurred:

• 1806: The Lewis and Clark Expedition was in the St. Louis area on or around September 13, nearing the conclusion of their exploration of the Louisiana Purchase, with St. Louis serving as their final stop, highlighting Missouri’s role as a key hub.
• 1859: During the prelude to the Civil War, tensions over slavery were high in Missouri. On or around September 13, pro-slavery and abolitionist groups clashed in a minor skirmish in Kansas City, reflecting Missouri’s divided stance in the national debate.
• 1861: During the Civil War, the First Battle of Lexington was ongoing in Missouri. On or around September 13, Confederate forces under Sterling Price tightened their siege on Union troops in Lexington, a critical early conflict in the state.
• 1885: The Missouri Botanical Garden in St. Louis hosted a significant public exhibition around September 13, showcasing rare tropical plants and reinforcing its status as a leading botanical research center.
• 1930: The Kansas City Stockyards set a record for cattle processing around September 13, 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 Milwaukee Brewers at Busch Stadium on September 13, with Mark McGwire hitting his 66th home run of the season, continuing his record-breaking campaign and cementing Missouri’s baseball legacy.