1. On May 27, 1937, a devastating tornado struck the city of St. Louis, Missouri. Known as the "St. Louis Cyclone," the tornado killed 137 people and injured over 1,000. It remains one of the deadliest tornadoes in Missouri history.

2. May 27, 1830 marked the adoption of the Indian Removal Act, which authorized President Andrew Jackson to negotiate treaties with Native American tribes for their removal from the southeastern United States. This led to the infamous Trail of Tears, in which thousands of Native Americans were forcibly relocated to Indian Territory (now Oklahoma), resulting in the deaths of thousands.

3. Missouri native and baseball legend, Lou Brock, broke the all-time record for stolen bases on May 27, 1978. Playing for the St. Louis Cardinals, Brock stole his 105th base of the season, surpassing the previous record set by Ty Cobb in 1915.

4. May 27, 2006 marked the opening of the Missouri State Capitol's newly renovated dome. The restoration project, which had taken three years and cost $8.5 million, aimed to restore the Capitol's dome to its original grandeur and ensure its structural integrity for decades to come.

5. On May 27, 1813, Missouri Territory was established by an act of the U.S. Congress. The territory, which included present-day Missouri, Arkansas, Iowa, Minnesota, North Dakota, South Dakota, and parts of Montana and Wyoming, was created in order to administer land acquired through the Louisiana Purchase.