Minn. Stat. § 471.93: APPROPRIATIONS FOR HISTORICAL WORK BY MUNICIPALITIES.

In cities of the second, third or fourth class, and statutory cities at any regular or properly called special meeting of the council, it may appropriate money for the purpose of collecting, preserving, storing, housing, printing, publishing, distributing and exhibiting data and material pertaining to the history of the city, for the purpose of commemorating the anniversary of any important and outstanding event in such history, and to preserve such history data and material for future generations.