Events By Place Africa The caliphate of Ubayd Allah al-Mahdi Billah (of the Fatimid dynasty)'s established after he enters the former Aghlabid capital of Raqqada, in modern Tunisia. By Topic Religion The Benedictine monastery of Cluny's founded. Gabriel I of Alexandria becomes Pope of the Coptic Orthodox Church. Births Hedwig of Saxony, mother of Hugh Capet Deaths December 23 — Naum of Preslav, Bulgarian scholar King Alfonso III of Leon Wei Zhuang… (More on 910)