1. On June 27, 1984, Minnesota's famous Mall of America started construction. The mall opened four years later and is now the largest mall in the United States, covering 5.6 million square feet and attracting over 40 million visitors every year.

2. In 1945, Minnesota became the first U.S state to ratify the United Nations Charter, which established the United Nations following World War II.

3. On June 27, 1895, the famous Minnesota-born author Sinclair Lewis was married in London to Grace Livingston Hegger. Lewis went on to become one of the most influential American writers of the early 20th century, winning the Nobel Prize in Literature in 1930.

4. June 27, 1977, marks the deadliest tornado outbreak in Minnesota history. 10 tornados struck the state, killing 13 people and injuring over 100 others.

5. In 1950, the town of Baudette, Minnesota became the site of one of the most bizarre UFO sightings in history. A convoy of eight flying saucers reportedly flew over the town, sparking a media frenzy and many questions about the existence of extraterrestrial life.