1. On November 4, 1851, the Treaty of Traverse des Sioux was signed between Dakota Indian leaders and the United States government. The treaty ceded millions of acres of land from the Dakota to the government and opened up the Minnesota River Valley to settlement.

2. In 1922, the University of Minnesota's Memorial Stadium opened on November 4. The stadium was built to honor World War I veterans and served as the home of the Golden Gophers football team until 1981.

3. On November 4, 1948, Minneapolis Mayor Hubert H. Humphrey was elected to the United States Senate in a special election. Humphrey would go on to become a prominent national figure, serving as Vice President under Lyndon B. Johnson from 1965-1969 and running for President in 1968.

4. In 1975, the Great Lakes Aquarium opened in Duluth on November 4. The aquarium showcases the diverse aquatic life that can be found in the Great Lakes region, including fish, reptiles, and birds.

5. On November 4, 2014, Minnesota became the first state in the nation to reject a proposed constitutional amendment banning same-sex marriage. The landmark decision came after years of advocacy by LGBTQ+ activists and supporters.