On Friday 6 March 2020, Ireland's Trinity College Dublin honoured Wachuku, "Nigeria’s first foreign minister," with a "Prominent Portrait" of Wachuku placed within the University's Historical Society room to mark 1770-2020: 250 Years Anniversary of "Hist:" College Historical Society; the oldest university debating society in Western Europe, at Trinity College Dublin: University of Dublin: Ireland; where Wachuku graduated in 1944 with first class honours degree in Legal Sciences; and was a member of College Historical Society. "A portrait of Nigeria’s first foreign minister, Dr Jaja Wachuku, now hangs in the historical society’s conversation room in Trinity College Dublin."