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Welcome To KEY TO THE CITY's Page For
Petersburg
Monroe County, Michigan
ZipCodes
49270
History & History-related items
This community was named for Richard Peters. He arrived here in 1824 and bought a farm. Later, in 1836, he sold some of his property to found the town. He was the first postmaster, naming the town Summerfield. The name was changed to Petersburgh in 1863 with the spelling changing in the 1890's to Petersburg. It was incorporated in 1869 as a village and then as a city in 1969.
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