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Official website of the Lake Mills Aztalan Historical Society

Upcoming Events ...


The Lake Mills – Aztalan Historical Society is dedicated to the preservation and education of local Pioneer and Ancient Native American history.

May 17, 2019 - 12noon-4 pm  Opening Day at Museum


July 21, 2019- 10am-3pm Aztalan Day at museum site Click here for flier.

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August 10, 2019-8:30am- 12pm  Preservation Education: Masonry with Jacob Arndt, specialist in Historic Restoration Masonry ( minimum registration fee required) at museum.  Click Here for the latest info on this event on Facebook

October 13m 2019-Cemetery Walk at Rock Lake Cemetery. More information to come.

Lake Mills History

Lake Mills was a place some called Keyesville and was part of Aztalan Township in early pioneer history. Today Lake Mills is a showcase growing communty with parks on Rock Lake, access to I-94, a historic downtown and other assests. Lake Mills is a place where visitors always return.

Aztalan History

Aztalan, a name derived from a ancient Aztec tradition, was a Native American village hosting a blending of Mississippian & local culture. It later became a bustling pioneer center, and is now a wonderful memory of the past.

The Museum Site

The Museum site opened in 1942, a year after the Society was founded. It began with the restoration of the 1852 brick Baptist Church which now serves as the museum and is the last structure from the pioneer age of Aztalan. Several other structures were moved to the site from the area in order to preserve their history, in addition of the 1917 one room school house purchased by the Society which stands to the west of the museum. 

Inside Aztalan Museum