March 29, 1837
Sales of parts of the village of Newburgh began; between March 29 and August 5, 1837, parts of the village were sold to the amount of $95,200.
Nation and worldGrade A · 1 independent source
The evidence
“On February 25, 1837, Mr. Payne sold Newburgh to William B. Lamb for $20,000, taking back from Lamb a mortgage for $7,000 to secure the payment of part of the purchase money. Between March 29, 1837, and August 5, 1837, parts of the village were sold to the amount of $95,200, and it is highly probable that in Newburgh, as in the other places mentioned herein, other sales may have been made, but the conveyances have never been recorded. It appears that Lamb did not pay his mortgage, and it was subsequently foreclosed and the entire tract bought in by Payne for $1,352.”
1908-brown-rock-county/04-forgotten-places.md, Vol. 1, PDF p. 64 / book p. 54
Brown, William Fiske, editor. Rock County, Wisconsin: A New History of Its Cities, Villages, Towns, Citizens and Varied Interests, from the Earliest Times, Up to Date. Chicago: C. F. Cooper & Co., 1908. 2 vols. archive.org/details/rockcountywiscon01brow, archive.org/details/rockcountywiscon02brow.
Grade A: Found on a page of one of our sources