Saxo Grammaticus described, in the Book XIV of his Gesta Danorum, the festival of Svantovit which was held annually after harvest in front of that temple.
According to the Danish chronicler Saxo Grammaticus, Bishop Absalon of Roskilde built a castle in 1167 on a small island outside Copenhagen Harbour.
Florence of Worcester named his father as 'Ursius' (i.e. urso, Latin for bear, björn in Scandinavian languages) and Saxo Grammaticus tells the story that this Ursius/Björn was the son of a bear and a fair Swedish maiden.
In 1161 Absalon, bishop of Roskilde (and later archbishop of Lund) in Denmark, sent to Paris the provost of his cathedral (almost surely the Danish historian Saxo Grammaticus) to obtain canons regular for the reform of the canonry of St. Thomas at Eskilsø.