John Jermain Memorial Library
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The Customs House Museum


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The Indian Name for Sag Harbor was Wigwagonock....

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The First Newspaper of Long Island, the First Magazine and the First Daily Paper were published in Sag Harbor... The First paper was a weekly.

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The First Custom's House established by an Act of Congress in 1789 is in Sag Harbor and has been restored by The Society for the Preservation of Long Island Antiquities. It is now an active museum and open to the public during the summer months.

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Long Island's First Federal Postmaster was appointed in Sag Harbor In 1791, and the First Post Office was located in The Custom's House.

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There were twenty houses in Sag Harbor before the Revolution.

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James Fennimore Cooper started his first novel, "Precaution" while staying at Duke Fordham's Hotel in Sag Harbor in 1824.

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The Bluish-White Curbstones used along many streets in the Village were ballast from Whaling Ships.

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The First American Ship to enter the forbidden ports of Japan in 1845 was The "Manhattan," from the Port of Sag Harbor.

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Temple Adas Israel, Suffolk County's oldest Jewish House of Worship still serves the County's First Jewish congregation.

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Monuments on Union and High Streets in Sag Harbor commemorate Colonel Meigs victorious, surprise attacks against British Garrisons based in Sag Harbor during the Revolutionary War.

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Sag Harbor had its own Ducking Stool and Stocks in the early days and that replicas of the Stocks have been built near the Windmill and can be used for photograph shots.