1. The Minnesota Territory was officially organized on May 30, 1854, after being separated from the larger Wisconsin Territory. This led to rapid population growth and the eventual admission of the state of Minnesota in 1858.

2. The devastating F5 tornado of 1883 struck Rochester, Minnesota, on May 30, killing 37 people and destroying much of the city. This tragedy spurred the growth of the renowned Mayo Clinic, which was founded to provide medical care to those affected by the tornado.

3. On May 30, 1922, the State Capitol building in St. Paul was completed after 12 years of construction. The building's stunning dome and marble interiors continue to be a cherished landmark of Minnesota.

4. In 1972, the Great Northern Railway Depot in St. Paul was added to the National Register of Historic Places. Built in 1913, the depot played a significant role in the transportation of goods and people in Minnesota for many years.

5. In modern times, May 30 marks the start of the Minnesota Twins' annual "Homer Hanky" tradition. First introduced in 1987, the Homer Hanky is a white handkerchief printed with the team's logo that fans wave during the playoffs to show support.