The slaughter of the Axumite garrison in…
525 CE
The slaughter of the Axumite garrison in Zafar provokes a response from Kaleb, King of Axum.
Procopius reports that Kaleb (whom he calls Hellesthaeus) with the help of Justinian, the Roman Emperor, collected a fleet and crossed from Axum to Yemen, where, after several unsuccessful attempts and much fighting, he defeated Dhu Nuwas about the year 520 or 525 (1.20).
Kaleb then appoints a native Christian, Sumuafa' Ashawa' (named Esimphaios by Procopius), to rule Yemen as his viceroy in Himyar.
Arab tradition states that Dhu Nuwas committed suicide by riding his horse into the Red Sea.
De Maigret reports that another South Arabian inscription from Husn al-Ghurab may indicate that he was killed in battle fighting against Kaleb's army.
De Maigret also reports that in 1951, three inscriptions were found just north of al-Ukhdūd, which refer to a military campaign led by Dhu Nuwass (where he is called Yūsuf As'ar Yath'ar), and are dated to the year 633 of the Ḥimyarite era, equivalent to CE 518 or 523.