Nicollet County Historical Society

A circular logo for the Nicollet County Historical Society, celebrating the past cultivating the future, features black silhouettes of grass, a butterfly, and a tree, with the organization's name and "Est. 1928" below in blue and gold.
Phone 507-934-2160
Email info@nchsmn.org

The Nicollet County Historical Society was organized on August 22, 1928. From its home in the Treaty Site History Center, the Nicollet County Historical Society preserves, protects, and interprets the history of Nicollet County and the state of Minnesota. The Treaty Site History Center features a nationally recognized award-winning exhibit on the Traverse des Sioux Treaty of 1851 and its consequences, other local history displays, and a full-service research archive.

Events from this organizer

Today

  • Banner promoting "NCHS at the Fair" with event dates August 7-10 in the Thompson Building. Includes a black-and-white photo of a baseball team and red stitching border resembling a baseball. Text highlights town baseball.

    NCHS at the Fair!

    NCHS at the Fair!
    Nicollet County Fairgrounds 400 W. Union Street, Saint Peter, MN, United States

    Join us at the Nicollet County Fair for "Nicollet County Town Ball: A Nine-Inning Historical Showcase," celebrating the rich history of local baseball teams, including the St. Peter Saints, Lafayette Grays, and Courtland Cubs. Visit us inside the Thompson Exhibit Building from Thursday, August 7, to Sunday, August 10, to talk with staff, volunteers, and Board members.

  • Banner promoting "NCHS at the Fair" with event dates August 7-10 in the Thompson Building. Includes a black-and-white photo of a baseball team and red stitching border resembling a baseball. Text highlights town baseball.

    NCHS at the Fair!

    NCHS at the Fair!
    Nicollet County Fairgrounds 400 W. Union Street, Saint Peter, MN, United States

    Join us at the Nicollet County Fair for "Nicollet County Town Ball: A Nine-Inning Historical Showcase," celebrating the rich history of local baseball teams, including the St. Peter Saints, Lafayette Grays, and Courtland Cubs. Visit us inside the Thompson Exhibit Building from Thursday, August 7, to Sunday, August 10, to talk with staff, volunteers, and Board members.

  • Image with small pumpkins lined up at the bottom against a yellow background. Text reads: “Closed for Fall Break November 27–29.”.

    CLOSED FOR FALL BREAK

    Featured
    Nicollet County Historical Society - Treaty Site History Center 1851 N. Minnesota Avenue, Saint Peter, MN, United States +1 more

    Nicollet County Historical Society sites and offices are closed for fall break, November 27-29, 2025.

  • Five people sit around a table in a room with beige walls, looking at papers and books. Framed photos and documents are displayed on the back wall. The text "hiSTORY hangout" appears at the bottom.

    hiSTORY hangout

    Nicollet County Historical Society - Treaty Site History Center 1851 N. Minnesota Avenue, Saint Peter, MN, United States

    Ask questions, listen to the discussion, and enjoy learning about local history from your friends and neighbors. Show-and-tell is encouraged, so bring any photos, artifacts, or stories you'd like to share.

  • Close-up of pine tree branches with snow and water droplets. The blurry gray background sets a cool tone. Text in the foreground reads: "Closed for Winter Break.

    Closed for Winter Break

    Nicollet County Historical Society - Treaty Site History Center 1851 N. Minnesota Avenue, Saint Peter, MN, United States +1 more

    Our offices and sites are closed for winter break from December 21, 2025, through January 5, 2026. Regular hours resume on January 6, 2026.

  • A person in a wheelchair plays a cello in a grand, wood-paneled hallway with a chandelier. Text over the image reads: "ART + MEDICINE Disability, Culture and Creativity. A Twin Cities PBS Original.

    Viewers Like Us Club | Art + Medicine

    Nicollet County Historical Society - Treaty Site History Center 1851 N. Minnesota Avenue, Saint Peter, MN, United States

    Artists and health care clinicians create alternative perspectives on disability through stories and performances.

  • Five people sit around a table in a room with beige walls, looking at papers and books. Framed photos and documents are displayed on the back wall. The text "hiSTORY hangout" appears at the bottom.

    hiSTORY hangout

    Nicollet County Historical Society - Treaty Site History Center 1851 N. Minnesota Avenue, Saint Peter, MN, United States

    Whether you're a seasoned history buff or just curious about the past, this event is for you. New residents, families, and everyone in between are welcome. Ask questions, listen to the discussion, and enjoy learning about local history from your friends and neighbors. Show-and-tell is encouraged, so bring any photos, artifacts, or stories you'd like to share.

  • Board of Directors meeting

    Nicollet County Historical Society - Treaty Site History Center 1851 N. Minnesota Avenue, Saint Peter, MN, United States

    Nicollet County Historical Society Board of Directors meeting.

  • A woman with a large afro hairstyle and a plaid coat stands in the foreground. The text reads, "Hope in the Struggle: The Josie Johnson Story." Logos for PBS and TPT appear at the bottom right.

    Viewers Like Us Club | Hope in the Struggle

    Nicollet County Historical Society - Treaty Site History Center 1851 N. Minnesota Avenue, Saint Peter, MN, United States

    A reflection on the life of freedom fighter and civic leader Dr. Josie Johnson, who fought for fair housing, education, and civil rights. Hear in her own words how her experiences turned her to activism, what action looks like, and how the next generation is taking up the mantle. The struggle for justice and equality continues, but there is hope in the struggle.