4-9pm Fri. Sep. 16

St. Louis County Historical Society Centennial Party

New displays draw from the breadth of the society's collection; galleries including Veteran's Memorial Hall, Immigrant Waiting Room, J.C. Ryan Forest History Room, Lake Superior Ojibwe Gallery and Depot Square will be open to tour. Music by Laura Velvet & The Bookhouse Boys and Steve Solkela's Overpopulated One-Man Band. Ken Buehler is the night's emcee. Free appetizers and cash bar.

Depot 506 W. Michigan St., Duluth

Cost: Free

7pm Fri. Sep. 16

Free Planetarium Show

UMD Marshall H. Alworth Planetarium 1023 University Drive, Duluth