On this day 250 years ago off Gloucester, Massachusetts, the USS Hannah captured the sloop Unity, its cargo of lumber, naval stores and provisions and its Royal Navy crew of a midshipman and six sailors.
Sources: https://founders.archives.gov/?q=%227%20September%201775%22&s=1111311111&sa=&r=3&sr=; “Gloucester Committee of Safety to George Washington, 7 September 1775,” Founders Online, National Archives, https://founders.archives.gov/documents/Washington/03-01-02-0321. [Original source: The Papers of George Washington, Revolutionary War Series, vol. 1, 16 June 1775 – 15 September 1775, ed. Philander D. Chase. Charlottesville: University Press of Virginia, 1985, pp. 429–430.]; https://www.history.navy.mil/content/history/museums/nmusn/explore/photography/american-revolution/continental-navy-ships/continental-schooner-hannah.html; https://en.wikipedia.org/wiki/Nicholson_Broughton; https://military-history.fandom.com/wiki/USS_Hannah;
On this day in Tryon County (now Montgomery County), New York, the Committee of Tryon County reported to the Provincial Congress of New York that:
There is a great number of proved enemies in and about Johnstown under Sir John Johnson, being Highlanders amounting to two hundred men.