If you have Minnesota ancestors/relatives and wish to search for articles about them, I encourage you to make use of this free resource.
Also I would encourage you to view this short video which demonstrates the navigation for this site. There are some interesting features that you will want to be aware of.
And below the video are a few other Minnesota online digital newspaper sites that you can search also for free.
You can search this site at Minnesota Historic Newspapers. Make sure that you select "Minnesota" when you get to the site.
Additional Minnesota online digital collections are listed here (their site navigation is different however than that explained in the video):
Minnesota Newspapers Collection - 7 historic newspapers including some Native American newspapers
Minnesota Student Newspapers - several college newspapers
St. Paul Union Advocate
Winona Newspaper Project - 4 newspapers from Winona
If you are interested in other U.S. state, Canadian province and other collections from around the world, as well as tutorials and videos, click the links below:
Brooklyn, New York
California Online Historical Newspapers Summary
Hudson River Valley, New York
New York Online Historical Newspapers Summary
Northern New York State
Pennsylvania Civil War Era
Rochester, New York Region
Suffolk County, New York