Portal:Minnesota/Did you know/3

...that the prefabricated and portable White Castle restaurant Building No. 8 (pictured) in Minneapolis, Minnesota has had three different locations?
...that Earl Bakken who invented the wearable cardiac pacemaker and co-founded Medtronic also created The Bakken, the world's only library and museum devoted to electricity in life?
..that the 1886 Sauk Rapids tornado changed the economic structure of central Minnesota after it destroyed at least 109 commercial or public buildings in Sauk Rapids?