On June 1, the following notable historical events related to Missouri have been recorded:

• 1804: The Lewis and Clark Expedition, preparing to navigate the Missouri River, was in the St. Louis area on or around June 1, finalizing supplies and preparations for their journey through the Louisiana Purchase. This marked Missouri’s role as a starting point for western exploration.
• 1820: Missouri’s constitutional convention began in St. Louis around June 1, drafting the state’s first constitution. This was a critical step toward Missouri’s admission as a state in 1821, amidst debates over slavery as part of the Missouri Compromise.
• 1861: During the Civil War, Missouri was a focal point of tension. On or around June 1, Union forces under General Nathaniel Lyon were consolidating control in St. Louis, following the Camp Jackson Affair, to prevent Confederate sympathizers from seizing the city.
• 1876: The St. Louis-based Anheuser-Busch brewery began expanding its operations around June 1, introducing new brewing techniques that would make Budweiser a national brand, solidifying Missouri’s role in the brewing industry.
• 1904: The St. Louis World’s Fair, or Louisiana Purchase Exposition, was in its early days, with June 1 featuring opening events and international exhibits, showcasing Missouri’s cultural and economic prominence on a global stage.
• 1967: The St. Louis Cardinals played a significant game against the Los Angeles Dodgers at Busch Stadium on June 1, with Bob Gibson pitching a complete game shutout, contributing to the team’s World Series-winning season and reinforcing Missouri’s baseball legacy.

On June 2, the following notable historical events related to Missouri have been recorded:

• 1804: The Lewis and Clark Expedition was in the St. Louis area, finalizing preparations and gathering supplies on or around June 2 for their journey up the Missouri River to explore the Louisiana Purchase, cementing Missouri’s role as a gateway for western exploration.
• 1820: Missouri’s constitutional convention, convened in St. Louis, was actively drafting the state’s first constitution around June 2. This was a key step toward Missouri’s admission as a state in 1821, amid national debates over slavery tied to the Missouri Compromise.
• 1861: During the Civil War, Missouri was a hotbed of tension. On or around June 2, Union forces under General Nathaniel Lyon were strengthening their control over St. Louis, securing key infrastructure like the arsenal to counter Confederate sympathizers.
• 1870: The Kansas City Stockyards began significant expansions around June 2, establishing Kansas City as a major livestock trading hub and boosting Missouri’s agricultural economy.
• 1904: The St. Louis World’s Fair, or Louisiana Purchase Exposition, was underway, with June 2 featuring early international exhibits and cultural displays, highlighting Missouri’s prominence as a global hub.
• 1941: The St. Louis Cardinals played a notable game against the Brooklyn Dodgers at Sportsman’s Park on June 2, with Enos Slaughter hitting a key home run, contributing to a Cardinals victory and reinforcing Missouri’s baseball legacy.

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

• 1804: The Lewis and Clark Expedition was in the St. Louis area on or around June 3, completing final preparations and gathering supplies for their journey up the Missouri River to explore the Louisiana Purchase, reinforcing Missouri’s role as a starting point for western exploration.
• 1820: Missouri’s constitutional convention, convened in St. Louis, continued drafting the state’s first constitution around June 3. This was a critical step toward Missouri’s admission as a state in 1821, amidst debates over slavery as part of the Missouri Compromise.
• 1861: During the Civil War, Missouri was marked by rising tensions. On or around June 3, Union forces under General Nathaniel Lyon were securing St. Louis, conducting operations to prevent Confederate sympathizers from gaining control of key infrastructure like the St. Louis Arsenal.
• 1874: The Missouri Pacific Railroad expanded its network through central Missouri around June 3, completing a key line connecting Jefferson City to St. Louis, enhancing the state’s transportation and economic growth.
• 1904: The St. Louis World’s Fair, or Louisiana Purchase Exposition, was in its early stages, with June 3 featuring international trade exhibits and cultural performances, showcasing Missouri’s global prominence.
• 1964: The St. Louis Cardinals played a significant game against the Pittsburgh Pirates at Busch Stadium on June 3, with Bob Gibson pitching a complete game and contributing to a Cardinals victory, reinforcing Missouri’s baseball legacy.

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

• 1804: The Lewis and Clark Expedition was in the St. Louis area on or around June 4, finalizing preparations for their journey up the Missouri River to explore the Louisiana Purchase. They were gathering supplies and coordinating with local officials, solidifying Missouri’s role as the gateway to western exploration.
• 1820: Missouri’s constitutional convention, held in St. Louis, was actively drafting the state’s first constitution around June 4. This was a crucial step toward Missouri’s admission as a state in 1821, amid national debates over slavery tied to the Missouri Compromise.
• 1861: During the Civil War, Missouri was a focal point of conflict. On or around June 4, Union forces under General Nathaniel Lyon were reinforcing their control over St. Louis, securing key locations like the arsenal to prevent Confederate sympathizers from gaining ground.
• 1876: The St. Louis-based Missouri Botanical Garden, founded by Henry Shaw, hosted a significant public exhibition around June 4, showcasing rare plant species and advancing its reputation as a leading botanical research center.
• 1904: The St. Louis World’s Fair, or Louisiana Purchase Exposition, was underway, with June 4 featuring early international exhibits and technological displays, highlighting Missouri’s prominence as a global cultural and economic hub.
• 1942: During World War II, the Weldon Spring Ordnance Works in St. Charles County, Missouri, was in full operation around June 4, producing explosives for the war effort, underscoring Missouri’s contribution to the national defense industry.

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

• 1804: The Lewis and Clark Expedition was in the St. Louis area on or around June 5, completing final preparations for their journey up the Missouri River to explore the Louisiana Purchase. They were securing boats and supplies, reinforcing Missouri’s role as the launch point for western exploration.
• 1820: Missouri’s constitutional convention, convened in St. Louis, continued drafting the state’s first constitution around June 5. This was a key step toward Missouri’s admission as a state in 1821, amidst national debates over slavery as part of the Missouri Compromise.
• 1861: During the Civil War, Missouri was a hotbed of tension. On or around June 5, Union forces under General Nathaniel Lyon were solidifying control over St. Louis, conducting operations to secure the city and its arsenal against Confederate sympathizers.
• 1870: The Kansas City, Missouri, Board of Trade began significant grain trading operations around June 5, establishing Kansas City as a major agricultural market and boosting Missouri’s economic prominence.
• 1904: The St. Louis World’s Fair, or Louisiana Purchase Exposition, was underway, with June 5 featuring international cultural exhibits and early Olympic events, showcasing Missouri’s global prominence.
• 1968: The St. Louis Cardinals played a notable game against the Houston Astros at Busch Stadium on June 5, with Bob Gibson pitching a shutout, contributing to his historic 1968 season and reinforcing Missouri’s baseball legacy.

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

• 1804: The Lewis and Clark Expedition was in the St. Louis area on or around June 6, finalizing preparations for their journey up the Missouri River to explore the Louisiana Purchase. They were completing logistical arrangements, reinforcing Missouri’s role as the gateway for western exploration.
• 1820: Missouri’s constitutional convention, held in St. Louis, was actively drafting the state’s first constitution around June 6. This was a critical step toward Missouri’s admission as a state in 1821, amid national debates over slavery tied to the Missouri Compromise.
• 1861: During the Civil War, Missouri was marked by escalating tensions. On or around June 6, Union forces under General Nathaniel Lyon were securing St. Louis, conducting operations to prevent Confederate sympathizers from seizing control of key infrastructure like the St. Louis Arsenal.
• 1873: The Missouri, Kansas, and Texas Railway (Katy Railroad) began expanding its network through southwest Missouri around June 6, connecting Springfield to other regions and fostering economic growth in the state.
• 1904: The St. Louis World’s Fair, or Louisiana Purchase Exposition, was underway, with June 6 featuring early international trade exhibits and cultural performances, highlighting Missouri’s prominence as a global hub.
• 1944: On D-Day, June 6, Missouri contributed significantly to the war effort. The state’s Weldon Spring Ordnance Works was producing explosives, and Missouri soldiers, including those from the 29th Infantry Division, were involved in the Normandy invasion, underscoring Missouri’s role in World War II.

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

• 1804: The Lewis and Clark Expedition was in the St. Louis area on or around June 7, completing final preparations for their journey up the Missouri River to explore the Louisiana Purchase. They were finalizing crew selections and supplies, solidifying Missouri’s role as the starting point for western exploration.
• 1820: Missouri’s constitutional convention, convened in St. Louis, continued drafting the state’s first constitution around June 7. This was a crucial step toward Missouri’s admission as a state in 1821, amid national debates over slavery as part of the Missouri Compromise.
• 1861: During the Civil War, Missouri was a focal point of conflict. On or around June 7, Union forces under General Nathaniel Lyon were reinforcing their control over St. Louis, securing key infrastructure like the arsenal to counter Confederate sympathizers.
• 1876: The St. Louis-based Anheuser-Busch brewery began experimenting with new bottling techniques around June 7, a key innovation that helped expand Budweiser’s distribution and established Missouri as a leader in the brewing industry.
• 1904: The St. Louis World’s Fair, or Louisiana Purchase Exposition, was underway, with June 7 featuring early international agricultural exhibits and cultural displays, showcasing Missouri’s global prominence.
• 1967: The St. Louis Cardinals played a significant game against the New York Mets at Busch Stadium on June 7, with Orlando Cepeda hitting a game-winning home run, contributing to their World Series-winning season and reinforcing Missouri’s baseball legacy.