Fingerprinting was first officially used in the US in a St. Louis police department.
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Protesting and riots began in Missouri following the death of African American man, Michael Brown.
The mail delivery system known as the Pony Express started.
John B. Meyenberg from St. Louis, Missouri, patented powdered milk.
Missouri entered the United States Union and became the 24th state.
The first-ever western shootdown happened in Market Square, Springfield, Missouri, US.
