The area was first known as Turk's Head, after an inn of that name in what is now the center of the borough. West Chester has been the seat of Chester County since 1786, when the seat moved from the town of Chester, now in Delaware County, and the borough was incorporated in 1799. At its center stands the courthouse, a classical revival building designed in the 1840s by Thomas U. Walter, one of the architects of the U.S. Capitol.
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In the 18th century West Chester was a center of clockmaking, and the Irish revolutionary Theobald Wolfe Tone lived there briefly during his exile. In the late 19th century the Hoopes, Bro. and Darlington company became a major maker of wheels, first for wagons and later for automobiles, and in the early 20th century the Sharples cream separator company was an important industry. In the late 20th century Commodore International, a pioneer of home computers, gave West Chester as its headquarters, though it was located about a mile northeast of the borough.
The West Chester Downtown Historic District was listed on the National Register of Historic Places in 1985, along with buildings such as the Bank of Chester County, the Chester County Courthouse, the First Presbyterian Church, the Sharples Separator Works and the Warner Theater.
Sources
Wikipedia: West Chester, Pennsylvania