Of the 800 blacks who were formed into the Ethiopian Regiment in Virginia under Lord Dunmore, 500 died, mostly of disease.
A sad story. Some went on to the Black Pioneers, who were disbanded in Nova Scotia.
Two websites have reliable history-
1. Black loyalists, Canada's Digital Collection.
http://collections.ic.gc.ca/BlackLoyalists/story/revolution/ethiopia.htm
2. Loyalist Institute.
www.royalprovincial.com/military/rhist/ethiopian/ethlist.htm