1. On July 28, 1933, the World's Fair opened in Chicago, Illinois. The Missouri State Building was one of the exhibits, showcasing the state's agricultural and industrial achievements.

2. In 1866, on July 28, Missouri became the first state to ratify the 14th Amendment to the United States Constitution, which granted citizenship and equal protection under the law to all persons born or naturalized in the country, including former slaves.

3. On July 28, 1973, a severe thunderstorm struck the town of Unionville, Missouri, causing extensive damage to buildings and homes. The storm produced winds of up to 100 miles per hour and hailstones the size of golf balls.

4. On July 28, 2017, Missouri Governor Eric Greitens signed a bill into law that made it legal for people to carry concealed firearms without a permit or training. Missouri became the 10th state to pass such a law.

5. In 1932, on July 28, the notorious bank robber John Dillinger was captured by the FBI in Tucson, Arizona. Dillinger had robbed several banks in Missouri, including one in St. Joseph in 1933, and was known as "Public Enemy Number One" at the time of his arrest.