Minn. Stat. § 624.61: ARMED ASSOCIATION.

It shall not be lawful for any body of persons, other than the National Guard, troops of the United States and, with the consent of the governor, sons and daughters of veterans and cadets of educational institutions where military science is taught, to associate themselves together as a military company with arms, but members of social and benevolent organizations are not prohibited from wearing swords. Any violation of this section shall be a misdemeanor.