1. On September 17, 1851, the Treaty of Traverse des Sioux was signed, which effectively ended the territorial war between the Native American tribes and the US government. Under the terms of the treaty, the Dakota tribes ceded millions of acres of their land to the US government in exchange for cash payments and other benefits.

2. In 1913, the Minnesota State Fair set an all-time record for attendance on September 17, with a total of 145,693 people visiting the fairgrounds that day. This was likely due in part to the fair's popular attractions, such as the newly-built Grandstand and the "Great Gate" entrance.

3. On September 17, 1961, the Minnesota Vikings played their inaugural regular season game against the Chicago Bears at Metropolitan Stadium in Bloomington. Despite losing 37-13, the game marked the beginning of the Vikings' long and storied history as a professional NFL franchise.

4. Minnesota native and beloved children's author Laura Ingalls Wilder was born on September 17, 1867, in Pepin, Wisconsin. Wilder's pioneering experiences in the Upper Midwest would later serve as inspiration for her popular "Little House" book series, which has sold millions of copies worldwide.

5. On September 17, 2016, the Minnesota Lynx won their fourth WNBA championship in a decisive victory over the Los Angeles Sparks. The Lynx, who had also won titles in 2011, 2013, and 2015, became only the third team in WNBA history to win four championships.