1. In 1818, the Treaty of St. Louis was signed between the United States and the Ojibwe people, ceding territory in present-day Minnesota and Wisconsin to the U.S. government.

2. In 1883, the Minnesota State Capitol building in St. Paul was completed after four years of construction. The building's dome, which is 223 feet high, is the second-largest self-supporting marble dome in the world, after St. Peter's Basilica in Rome.

3. In 1906, the Rollingstone State Bank in Rollingstone, Minnesota was robbed by the notorious James-Younger Gang. The gang, which included Jesse James' brother Frank, made off with $2500 in cash and $3500 in bonds.

4. In 1920, the Minnesota Vikings (then known as the Minneapolis Marines) played their first professional football game, losing 7-6 to the Rock Island Independents.

5. In 2009, the Interstate 35W bridge in Minneapolis was reopened, just over a year after it collapsed during rush hour on August 1, 2007, killing 13 people and injuring over 140 others. The new bridge, which cost $234 million to construct, features extra reinforcements and sensors to monitor its structural integrity.