He was designated as "acting crown prince" and heir presumptive in 1974 by the Emperor Haile Selassie I close to the end of his reign; however, the Empire was overthrown in the 1974 Ethiopian Revolution by the Derg.
[1] He was named Acting Crown Prince and heir presumptive to the Imperial throne of Ethiopia in 1974 by his grandfather, Emperor Haile Selassie, following his father's stroke a year earlier.
[2] After the fall of the Ethiopian monarchy, Zera Yacob completed his studies at Oxford in the 1970s and worked briefly as a banker in the United States.
He then moved to London and was married to Princess Nunu (née Getaneh), and later divorced.
He was named heir apparent by his father, who assumed the title of Emperor-in-exile at that time in April 1989 in London.