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Fort Casimir Site

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Fort extant 1651–c. 1679. 2nd and Chestnut sts.
  • (Photograph by Matthew Aungst)
  • (Photograph by Matthew Aungst)

Following establishment of the fort by Peter Stuyvesant, Dutch traders built homes along the riverfront just south—the genesis of New Castle. 2nd Street, oldest in town, approached the fort across a narrow isthmus, and the stronghold had marshes on three sides. Probably it resembled Dutch forts at Manhattan and elsewhere, square with earthen bastions at the corners. A contemporary account gives its riverfront length as 210 feet. It was garrisoned by nine soldiers with thirteen cannons (but no powder) when captured by the Swedes. The fort was demolished in the 1670s, and the site may have become a tannery. Fortunately, the “Fort Lot” was little-developed over the centuries. Starting in 1925, it served as a busy ferry terminal to New Jersey (ruined piers survive offshore). All traces of the fort were assumed to have washed away, as a stone marker of 1905 says, but limited archaeology in 1986 showed that it probably still exists beneath six feet of fill under a grassy lot. A ditch was found that may have formed part of the defenses. Various seventeenth-century artifacts came to light: yellow Dutch brick, majolica pottery from the Netherlands, and gray Rhenish stoneware.

Writing Credits

W. Barksdale Maynard


What's Nearby


W. Barksdale Maynard, "Fort Casimir Site", [New Castle, Delaware], SAH Archipedia, eds. Gabrielle Esperdy and Karen Kingsley, Charlottesville: UVaP, 2012—,

Print Source

Cover: Buildings of Delaware

Buildings of Delaware, W. Barksdale Maynard. Charlottesville: University of Virginia Press, 2008, 152-153.

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