507-934-2160 | info@nchsmn.org

The History Center is a proud participant in Museums for All! Through Museums for All, those receiving food assistance (SNAP benefits) can gain free admission to the History Center museum simply by presenting their EBT card. Events are not included in this program.

Monday | CLOSED
Tuesday | 10 AM-4 PM
Wednesday | 10 AM-4 PM
Thursday | 10 AM-4 PM
Friday | 10 AM-4 PM
Saturday | 10 AM-4 PM
Sunday | CLOSED


$7 | Adult
$6 | Senior 55 years +
$5 | Archives
NCHS members and children under age 18 visit for free.


Learners of all ages will explore our striking exhibits and outdoor landmarks.
Educators can learn more about field trips here.



NCHS welcomes all visitors. We recognize the diverse needs of our audience and strive to offer accessible programming to enable all visitors to explore our museum. You can learn more here.



1851 N Minnesota Ave
St. Peter, MN 56082



The Treaty Site History Center is the headquarters of the Nicollet County Historical Society. A county museum and more, the site’s exhibits explore the fascinating history of Nicollet County and Minnesota’s territorial expansion.

During your visit to the Treaty Site History Center, you will explore the stories of Nicollet County’s first inhabitants- the Dakota people, explorers, traders, and settlers. The interaction between these people laid the historical groundwork for the signing of the 1851 Treaty of Traverse des Sioux, signed here in July of 1851, which ceded 24 million acres of Dakota land to the U.S. government and opened the land to new settlers and westward expansion.

Once settlers began pouring into Nicollet County, fur trading was replaced by farming and soon little villages became bustling towns with booming businesses. At the history center, visitors also learn about local agriculture, business, geology, and much more in its rotating exhibits featuring Nicollet County history.


Explore Your History

Become a member of the Nicollet County Historical Society today!

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