516 SOUTHERN ARABIA
King Ohu Nuwas adopted Judaism, perhaps as a bulwark against encroaching Christianity. He was eventually defeated by King Eleboas of Abyssinia, with the help of Justin I.
517 CHURCH COUNCIL OF EPAON (Gaul)
Reinforced the decisions of the Council Of Vannes (465) in prohibiting Christians from participating in Jewish feasts.
517 - C. 527 YUSUF AS'AR YATH'AR DHU-NUWAS; LAST JEWISH HIMYARITE RULER
Born around 455 Yūsuf Asʾar Yathʾar ( aka Dhu Nuwas) was known for having curls or side locks (peiyot). Dhu Nuwas had rebelled against the local ruler enthroned by the negus or king of Axum (Aksum), and killed the garrison in its capital, Zafar ( present day Yemen). In 523, he besieged Najran, which had refused to provide him with troops, and massacred part of its Christian population. Using this incident as a rallying point, he was eventually defeated by the armies of greater Axum ( Ethiopia) with the help of the Byzantine Empire.
519 RAVENNA (Italy)
After the local synagogues were burned down by the local populace, Theodoric the Ostrogoth ordered the town to rebuild them at its own expense.