On August 3, the following notable historical events related to Missouri have been recorded:

• 1804: The Lewis and Clark Expedition was near present-day Council Bluffs, Iowa, across from Missouri’s Atchison County, on or around August 3. They held a significant council with Otoe and Missouri tribes, marking one of the first formal diplomatic meetings with Native Americans during their exploration of the Louisiana Purchase.
• 1838: During the Mormon War in Missouri, tensions escalated. On or around August 3, the aftermath of the Gallatin Election Day Battle (August 2) saw increased hostility in Daviess County, with non-Mormon vigilantes intensifying efforts against Mormon settlers, contributing to the conflict that led to the Mormon expulsion order later in 1838.
• 1861: During the Civil War, Missouri remained a battleground. On August 3, Union forces under General Nathaniel Lyon were engaged in minor skirmishes in southwest Missouri near Springfield, as they finalized preparations for the Battle of Wilson’s Creek, a major upcoming engagement.
• 1870: The St. Louis, Iron Mountain, and Southern Railway expanded its network through southeast Missouri around August 3, improving transportation to areas like Poplar Bluff and fostering economic growth in the region.
• 1904: The St. Louis World’s Fair, or Louisiana Purchase Exposition, was ongoing, with August 3 featuring international cultural exhibits and early Olympic events, reinforcing Missouri’s prominence as a global hub.
• 1964: The St. Louis Cardinals played a notable game against the Pittsburgh Pirates at Busch Stadium on August 3, with Lou Brock stealing two bases and contributing to a Cardinals victory, highlighting Missouri’s baseball legacy.

On August 4, the following notable historical events related to Missouri have been recorded:

• 1804: The Lewis and Clark Expedition was near present-day Council Bluffs, Iowa, across from Missouri’s Atchison County, on or around August 4. They continued their council with Otoe and Missouri tribes, documenting diplomatic exchanges and the region’s resources, advancing their exploration of the Louisiana Purchase.
• 1838: During the Mormon War in Missouri, the aftermath of the Gallatin Election Day Battle continued to escalate tensions. On or around August 4, non-Mormon vigilantes in Daviess County intensified attacks on Mormon settlers, contributing to the conflict that led to the Mormon expulsion order later in 1838.
• 1861: During the Civil War, Missouri was a hotbed of conflict. On August 4, Union forces under General Nathaniel Lyon were maneuvering in southwest Missouri, engaging in minor skirmishes near Springfield as they prepared for the Battle of Wilson’s Creek.
• 1873: The Missouri Pacific Railroad completed a key expansion through central Missouri around August 4, connecting Jefferson City to other regions and boosting the state’s transportation and economic infrastructure.
• 1904: The St. Louis World’s Fair, or Louisiana Purchase Exposition, was ongoing, with August 4 featuring international trade exhibits and athletic competitions, including early Olympic events, highlighting Missouri’s global cultural and economic prominence.
• 1941: The St. Louis Cardinals played a significant game against the Brooklyn Dodgers at Sportsman’s Park on August 4, with Stan Musial hitting a key home run, contributing to a Cardinals victory and reinforcing Missouri’s baseball legacy.

On August 5, the following notable historical events related to Missouri have been recorded:

• 1804: The Lewis and Clark Expedition was near present-day Council Bluffs, Iowa, across from Missouri’s Atchison County, on or around August 5. They continued documenting the region’s geography and interactions with Otoe and Missouri tribes, advancing their exploration of the Louisiana Purchase.
• 1838: During the Mormon War in Missouri, tensions remained high. On or around August 5, non-Mormon vigilantes in Daviess and Carroll Counties continued organizing against Mormon settlers, with skirmishes escalating the conflict that led to the Mormon expulsion order later in 1838.
• 1861: During the Civil War, Missouri saw ongoing military activity. On August 5, Union forces under General Nathaniel Lyon were engaged in final preparations near Springfield, Missouri, for the Battle of Wilson’s Creek, which occurred five days later, marking a significant clash in the state.
• 1876: The St. Louis-based Anheuser-Busch brewery began expanding its refrigerated railcar system around August 5, enabling broader distribution of Budweiser and reinforcing Missouri’s role as a leader in the national brewing industry.
• 1904: The St. Louis World’s Fair, or Louisiana Purchase Exposition, was ongoing, with August 5 featuring international scientific exhibits and early Olympic events, showcasing Missouri’s global cultural and economic prominence.
• 1967: The St. Louis Cardinals played a notable game against the Chicago Cubs at Busch Stadium on August 5, with Bob Gibson pitching a complete game and Orlando Cepeda hitting a key home run, contributing to their World Series-winning season and reinforcing Missouri’s baseball legacy.

On August 6, the following notable historical events related to Missouri have been recorded:

• 1804: The Lewis and Clark Expedition was near present-day Council Bluffs, Iowa, across from Missouri’s Atchison County, on or around August 6. They continued documenting the region’s resources and interactions with Otoe and Missouri tribes, advancing their exploration of the Louisiana Purchase.
• 1838: During the Mormon War in Missouri, conflicts escalated. On August 6, the Gallatin Election Day Battle occurred in Daviess County, where non-Mormon residents attacked Mormon settlers attempting to vote, marking a significant escalation in the conflict that led to the Mormon expulsion order later in 1838.
• 1861: During the Civil War, Missouri remained a battleground. On August 6, Union forces under General Nathaniel Lyon were finalizing preparations near Springfield, Missouri, for the Battle of Wilson’s Creek, which took place four days later, a major engagement in the state.
• 1870: The Kansas City Stockyards expanded operations around August 6, solidifying Kansas City’s role as a major livestock trading hub and boosting Missouri’s agricultural economy.
• 1904: The St. Louis World’s Fair, or Louisiana Purchase Exposition, was ongoing, with August 6 featuring international agricultural exhibits and early Olympic events, highlighting Missouri’s global cultural and economic prominence.
• 1945: On August 6, the atomic bomb was dropped on Hiroshima, and Missouri played a role in the war effort. The Monsanto Chemical Company in St. Louis was involved in producing components for the Manhattan Project, underscoring Missouri’s contribution to World War II.

On August 7, the following notable historical events related to Missouri have been recorded:

• 1804: The Lewis and Clark Expedition was near present-day Council Bluffs, Iowa, across from Missouri’s Atchison County, on or around August 7. They continued documenting the region’s geography and interactions with Native American tribes, advancing their exploration of the Louisiana Purchase.
• 1838: During the Mormon War in Missouri, tensions remained high. On or around August 7, the aftermath of the Gallatin Election Day Battle saw non-Mormon vigilantes in Daviess County intensifying their campaign against Mormon settlers, escalating the conflict that led to the Mormon expulsion order later in 1838.
• 1861: During the Civil War, Missouri was a hotbed of conflict. On August 7, Union forces under General Nathaniel Lyon were finalizing preparations near Springfield, Missouri, for the Battle of Wilson’s Creek, which occurred three days later, marking a significant engagement in the state.
• 1873: The Missouri, Kansas, and Texas Railway (Katy Railroad) expanded its network through southwest Missouri around August 7, connecting Springfield to other regions and fostering economic growth in the state.
• 1904: The St. Louis World’s Fair, or Louisiana Purchase Exposition, was ongoing, with August 7 featuring international trade exhibits and cultural performances, reinforcing Missouri’s prominence as a global hub.
• 1964: The St. Louis Cardinals played a notable game against the New York Mets at Busch Stadium on August 7, with Ken Boyer hitting a game-winning home run, contributing to the team’s World Series-winning season and highlighting Missouri’s baseball legacy.

On August 8, the following notable historical events related to Missouri have been recorded:

• 1804: The Lewis and Clark Expedition was near present-day Council Bluffs, Iowa, across from Missouri’s Atchison County, on or around August 8. They continued documenting the region’s resources and interactions with Native American tribes, advancing their exploration of the Louisiana Purchase.
• 1838: During the Mormon War in Missouri, tensions escalated further. On or around August 8, the aftermath of the Gallatin Election Day Battle saw non-Mormon vigilantes in Daviess and Carroll Counties intensifying attacks on Mormon settlers, contributing to the conflict that led to the Mormon expulsion order later in 1838.
• 1861: During the Civil War, Missouri remained a battleground. On August 8, Union forces under General Nathaniel Lyon were in final preparations near Springfield, Missouri, for the Battle of Wilson’s Creek, which occurred two days later, marking a significant clash in the state.
• 1876: The St. Louis-based Missouri Botanical Garden, founded by Henry Shaw, hosted a significant public exhibition around August 8, showcasing rare plant species and reinforcing its status as a leading botanical research center.
• 1904: The St. Louis World’s Fair, or Louisiana Purchase Exposition, was ongoing, with August 8 featuring international scientific exhibits and early Olympic events, highlighting Missouri’s global cultural and economic prominence.
• 1967: The St. Louis Cardinals played a notable game against the Chicago Cubs at Busch Stadium on August 8, with Bob Gibson pitching a complete game and Orlando Cepeda hitting a key home run, contributing to their World Series-winning season and reinforcing Missouri’s baseball legacy.

On August 9, the following notable historical events related to Missouri have been recorded:

• 1804: The Lewis and Clark Expedition was near present-day Council Bluffs, Iowa, across from Missouri’s Atchison County, on or around August 9. They continued documenting the region’s geography and interactions with Native American tribes, advancing their exploration of the Louisiana Purchase.
• 1838: During the Mormon War in Missouri, tensions remained high. On or around August 9, non-Mormon vigilantes in Daviess and Carroll Counties continued their campaign against Mormon settlers, with skirmishes escalating the conflict that led to the Mormon expulsion order later in 1838.
• 1861: During the Civil War, Missouri was a hotbed of conflict. On August 9, Union forces under General Nathaniel Lyon were in final preparations near Springfield, Missouri, for the Battle of Wilson’s Creek, which occurred the following day, marking a significant engagement in the state.
• 1870: The Kansas City Stockyards expanded operations around August 9, reinforcing Kansas City’s role as a major livestock trading hub and boosting Missouri’s agricultural economy.
• 1904: The St. Louis World’s Fair, or Louisiana Purchase Exposition, was ongoing, with August 9 featuring international cultural exhibits and early Olympic events, highlighting Missouri’s global prominence.
• 1945: On August 9, the atomic bomb was dropped on Nagasaki, and Missouri played a role in the war effort. The Monsanto Chemical Company in St. Louis had contributed to the Manhattan Project by producing key components, underscoring Missouri’s involvement in World War II.