1. On March 30, 1867, the Minnesota State Legislature approved a bill to establish the University of Minnesota, making it the oldest and largest public research university in the state.

2. March 30, 1870, marked the opening of the first public school in Moorhead, Minnesota. It was the beginning of a tradition of high-quality education in the area, with Moorhead Public Schools continuing to rank among the best in Minnesota today.

3. In 1923, the iconic Foshay Tower in downtown Minneapolis was completed on March 30, making it the tallest building in the city until the IDS Center was built in 1972. The 32-story tower remains a beloved landmark and is listed on the National Register of Historic Places.

4. On March 30, 1979, a partial meltdown occurred at the Three Mile Island nuclear power plant in Pennsylvania. Despite being over 1,000 miles away, the incident heightened concerns about nuclear energy and led to increased scrutiny of Minnesota's own Prairie Island nuclear plant.

5. March 30, 2013, saw the opening of the Minneapolis-St. Paul International Airport's new Terminal 2-Humphrey, which replaced the aging Humphrey Terminal. The new terminal features advanced technology, sustainable design, and increased capacity to serve the more than 38 million passengers who pass through the airport each year.