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

  • A figure with a parachute harness holds a briefcase, standing against a cloudy sky backdrop with a small plane. Yellow text reads "I am DB Cooper." Dollar bills are scattered in the air, and trees are visible in the foreground.

    Film Series | I Am DB Cooper

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

    In 1971, DB Cooper boarded a plane, stole $190,000, and jumped out. "I Am DB Cooper" is a hybrid-documentary of a modern day treasure hunt to uncover truths about the only unsolved hijacking in US history.

  • Sepia-toned image with a vintage photograph of a woman against a backdrop of an American flag. Text reads: "STRIPPED OF CITIZENSHIP: American-born Women, Marriage, and Expatriation in Minnesota" with Lori Ann Lahlum. A red "VOID" stamp is on the bottom left.

    Stripped of Citizenship: American-born Women, Marriage, and Expatriation in Minnesota

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

    In this presentation, "Stripped of Citizenship: American-born Women, Marriage, and Expatriation in Minnesota," Lori Ann Lahlum explores the expatriation of American-born women in Minnesota who married aliens and the ways in which we can reclaim their stories.

  • A small wooden cabin with a shingled roof and a ramp stands on a grassy area, surrounded by trees. A wooden fence and a tree are visible in the foreground on a sunny day.

    Log Cabin Workshop

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

    Mark Johnson of Artisan Restoration in Kasota will teach us how cabins were built and maintained in the past during this hands-on workshop.

  • 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.

  • 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

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    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.