Nicollet County Historical Society

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.

  • 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.

  • A plate of food with greens and eggs on the left, a spice tray on the right, and text in the center that reads “Relish: A Food & Culture Series by Twin Cities PBS. Get Inspired” on a colorful background.

    Viewers Like Us Club

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

    Relish shares stories and recipes of cultural heritage in Twin Cities communities through the universal language of food.

  • 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.

  • A promotional image for "Remember the Magic: A Look Back at the Dayton’s Holiday Shows" from Twin Cities PBS Originals, featuring costumed figures in a festive display and the PBS and TPT logos.

    Viewers Like Us Club

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

    Marvelous. Memorable. Magical. Relive the treasured tradition of Dayton’s holiday shows.

  • 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.