https://www.thevintagenews.com/2017/03/31/uss-philadelphia-the-oldest-intact-warship-currently-on-display-in-north-america/
Once part of the Continental Navy, the USS Philadelphia was a gunboat from the 1770s. During the Battle of Valcour Island on 11 October 1776, she was part
uss philadelphiaoldestintactwarshipcurrently