January 2,69 AD Vitellius was named emperor. On this day the Egyptians, and many Romans, celebrated the Advent of Isis, the Egyptian Mother Goddess. 366 The Alamanni crossed the frozen Rhine River and invaded the Roman Empire. 533 Mercurius became Pope John II, the first pope to adopt a new name upon elevation to the papacy. 1492 Reconquista, the emirate of Granada, the last Moorish stronghold in Spain, surrendered.