Patented in 1915, the ensilage harvester improved on standard practices for harvesting and storing crops, and streamlined farm work. Its basic design, largely unmodified, is still used by agricultural implement companies worldwide.

In 1904, Red Wing became home to T. B. Sheldon Memorial Auditorium, one of the first municipal theaters in the United States. It has shown live performances or movies for more than a century, in spite of financial trouble, lawsuits, and fluctuations in audience interest.

The Basilica of Saint Mary was first known as the Pro-Cathedral of Minneapolis. It cost one million dollars to build and held its first Mass in 1914. In 1926, the Catholic Church made it the first basilica in the United States.

In the 1880s, agricultural education in Minnesota was in trouble: farmers would not travel to the Twin Cities for classes, and university students did not want to study farming. Oren C. Gregg, a successful dairy farmer from Lyon County, Minnesota, saved the day by bringing lectures directly to Minnesota farmers.

In 1880, two Minneapolis businessmen built the Lincoln Flouring Mill in Anoka, Minnesota. The Lincoln Mill became one the largest country flour mills in the state, surviving until 1939 in spite of catastrophes like the Anoka fire of 1884.

Oliver Hudson Kelley was a "book farmer," a man who had learned what he knew about agriculture from reading rather than from direct experience. In 1867, he helped found the National Grange of the Order of Patrons of Husbandry, the nation's largest agricultural fraternity.

Virginia's Socialist Opera House was one of many halls built in communities across the nation where concentrations of Finnish immigrants had settled. Used for dances, gymnastic performances, and stage plays, the halls also provided meeting places for like-minded Finns, many of them laborers who embraced socialist ideals.

The First Minnesota Volunteer Infantry Regiment holds a special place in the history of Minnesota. It was the first body of troops raised by the state for Civil War service, and it was among first regiments of any state offered for national service.

With its lavishly illustrated seed catalogs and store displays, Northrup, King and Company became a household name at the turn of the twentieth century. The company sold hardy, Northern-grown garden seed before expanding into Northern field seed and plant hybrids.

During the mid-to-late nineteenth century, Minnesota faced public health issues such as poor sanitation and disease epidemics. To address these issues, Minnesota established a state board of health in 1872. It was the third such board in the United States.