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History · Sweet Township

23% of Sweet Township’s homes were built before 1940

1 place in town is on the National Register, among them a historic district.

1on the National Register
23%homes built before 1940
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Quick answers

Where Sweet Township’s name came from

How did Sweet Township get its name?

Sweet Township was incorporated in 1879, and named for Daniel E. Sweet, a pioneer settler.

Name: Wikipedia, licensed CC BY-SA 4.0.
On the National Register

1 historic place in Sweet Township

The country’s official list of buildings and places worth saving.

place listed
1
National Historic Landmarks
0
none yet
historic buildings protected
1
each building in a district counts
first listed
1966
Cannomok'e-Pipestone National Monument
Cannomok'e-Pipestone National Monument, built 1937
Districts
Cannomok'e-Pipestone National MonumentBuilt 1937

National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.

Places that used to be

Lost post offices, old corners, places now gone and burying grounds

Two other post offices opened and closed inside today’s town.

Clausen
1881–1882
Airlie
1882–1934
18801950today
Hamlets and corners on the map
Airlie
Gone or out of use
AirlielocaleAirlie Post Officepost office
3cemeteries and burying grounds inside Sweet Township
Saint LeoSalem Evangelical United BrethrenWoodlawn

US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).

Stories next door

History across the town line

Each neighbor’s History grade, on the same three inputs.

Pipestone7 historic placesA−Troy TownshipIts storynot graded: under 1,000 residents or part of its townEden Township2 historic placesnot graded: under 1,000 residents or part of its townGray TownshipIts storynot graded: under 1,000 residents or part of its town

Questions about Sweet Township’s history

What is on the National Register in Sweet Township?

One place: the Cannomok'e-Pipestone National Monument (listed 1966).

Memory lane

What the archives can’t tell you, neighbors can.

Town Square →
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Sources

Where this page comes from

Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021). How TownRatings grades history →

From the National Register of Historic Places (1), the US Post Offices dataset (Blevins & Helbock) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.