On this day 250 years ago in Philadelphia, the Continental Congress resolved
that a General be appointed to command all the continental forces, raised, or to be raised, for the defence of American liberty.
Delegate Thomas Johnson of Maryland nominated George Washington as the Commanding General and he was unanimously elected.
Source: “[Diary entry: 15 June 1775],” Founders Online, National Archives, https://founders.archives.gov/documents/Washington/01-03-02-0005-0012-0015. [Original source: The Diaries of George Washington, vol. 3, 1 January 1771–5 November 1781, ed. Donald Jackson. Charlottesville: University Press of Virginia, 1978, p. 336.]
On this day 250 years ago in Narragansett Bay, the newly-formed Rhode Island Navy commanded by Abraham Whipple aboard the Katy captured the British ship Diana, in the first naval battle in Rhode Island.