Gbaa okwu a n'ụzọ dị mgbagwoju anya Agha mbụ ya bụ megide Billy Wilcox n' abalị atọ n' ọnwa Ọgọst afọ 1954 na Boston, Massachusetts.
N'ezie, ụdị okwu dị mgbagwoju anya nke ahịrịokwu ahụ bụ "Ọgụ mbụ ya bụ megide Billy Wilcox na Ọgọstụ 3, 1954 na Boston, Massachusetts na nke ikpeazụ ya megide Willie Green na Disemba 21, 1960 na Providence, Rhode Island. "