1. On July 18, 1939, the first visit by a reigning British monarch to the United States occurred when King George VI and Queen Elizabeth arrived in Minnesota on a royal tour. The royal couple visited Duluth and Minneapolis, where they were greeted by thousands of cheering fans.

2. In 1963, on July 18, Minnesota Twins outfielder Jimmie Hall hit three home runs in a game against the Detroit Tigers. Hall's impressive feat helped the Twins to a 9-5 victory.

3. On July 18, 1972, the Boundary Waters Canoe Area Wilderness in northern Minnesota was designated as a federal wilderness area. The area covers over one million acres and includes more than 1,200 miles of canoe routes.

4. In 1995, on July 18, the Mall of America in Bloomington opened its doors to the public. At the time, it was the largest mall in the United States and featured over 500 stores and attractions, including an aquarium and amusement park.

5. On July 18, 2011, severe thunderstorms caused widespread power outages across Minnesota, affecting more than 800,000 homes and businesses. The event was one of the largest power outages in Minnesota history, and utility crews worked for days to restore power to affected areas.