Constitution Island, in the Hudson River opposite West Point, SE N.Y.; part of the U.S. Military Academy. The ruins of Fort Constitution, built in 1775, are there. During the American Revolution, a chain was stretched across the Hudson at Constitution Island to prevent the ascent of British ships.
"Constitution Island." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (November 17, 2018). https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/constitution-island
"Constitution Island." The Columbia Encyclopedia, 6th ed.. . Retrieved November 17, 2018 from Encyclopedia.com: https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/constitution-island