1533:

Henry VIII marries Anne Boleyn

Anne had held out a long time, refusing the marry the king even though they had been carrying on an affair and he had repudiated his wife, Catherine of Aragon. But in early January Anne discovered she was pregnant, and it was most important for this heir to be legitimate. So she at last relented, and she and Henry were married in secret.¹

749:

Emperor Leo IV of Byzantium

Leo the Khazar's reign marked the transition between Iconoclasm and the restoration of Icons in the Eastern Church.

477:

Gaiseric

817:

Pope Stephen V

Stephen was a devout, amiable, good-hearted man who sought to keep the peace between the papacy and the Byzantine empire.

1138:

Anacletus II

Cardinal Pietro Pierleone took the title Anacletus II when he achieved the papal throne in 1130. He is also sometimes considered an Antipope because the election was contested.