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At the Institute’s core is the Gilder Lehrman Collection, one of the great archives in American history. More than 85,000 items cover five hundred years of American history, from Columbus’s 1493 letter describing the New World through the end of the twentieth century.

Washington, George (1732-1799) [Proclamation regarding a violation of the Hopewell Treaty]

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Gilder Lehrman Collection #: GLC02437.09435 Author/Creator: Washington, George (1732-1799) Place Written: New York, New York Type: Manuscript letter Date: circa 26 August 1790 Pagination: 1 p. ; 25.2 x 20 cm. Order a Copy

Later copy. A note written at the top states, "Recd- from Lt. Henry Knox Thatcher Aug. 9 1855, by mail." Requires all citizens and inhabitants of the United States to "govern themselves according to the treaties."

Circa date based on the date Washington issued this proclamation. Thatcher, a naval officer, was Henry Knox's grandson. He was promoted to commander in September 1855.
Signer of the U.S. Constitution.

Washington, George, 1732-1799
Thatcher, Henry Knox, 1806-1880

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