I believe the "official" date is August 27, 1975.
Hallie Flanagan died in 1969.
Philip Hallie died in 1994.
Sahle Selassie died in 1847.
Wolde Selassie died in 1816.
Hallie Ford died on 2007-06-04.
Hallie Earle died on 1963-11-01.
Gugsa Araya Selassie died in 1932.
Araya Selassie Yohannes died in 1888.
Haile Selassie Gugsa died in 1975.
Hallie Erminie Rives died on 1956-08-16.
Hallie Quinn Brown died on 1949-09-16.
Haile Selassie was thrown into prison by the communist leader and was later killed.