On this day 250 years ago, the HMS Adamant sailed from Quebec to England carrying Guy Johnson, Joseph Brant and Ethan Allen and 33 other American prisoners.
Source: Nash at 175.
And on that day in Charlestown Harbor, off modern day Mount Pleasant, Charleston, South Carolina, the South Carolina Navy’s Defense, commanded by Capt. Simon Tufts, towed four ship hulks in order to sink them in one of the channels provided British ships access to Charlestown. At 4:30 PM, the HMS Tamar spotted the Defense and fired six shots, and the Defense dropped anchor and fired back. After the Tamar ceased its firing, Capt. Tufts was able to sink three of the hulks in the Hog Island Channel.
Sources: Lipscomb at 17; Parker at 93-94; https://revolutionarywar.us/year-1775/