Original sentence: 11th century historian Adam of Bremen, whose Gesta Hammaburgensis Ecclesiae Pontificum is strongly anti-Sweyn, claims that Sweyn Forkbeard was deposed by king Eric the Victorious of Sweden, who ruled Denmark until his death in 994 or 995, but some doubt this
Edited sentence: 11th century historian Adam of Bremen, whose Gesta Hammaburgensis Ecclesiae Pontificum is strongly anti-Sweyn, claims that Sweyn Forkbeard was deposed by king Eric the Victorious of Sweden, who ruled Denmark until his death in 994 or 995.Many sources consider Olaf Skötkuning as the first ruler of a modern state of Sweden, in which case Erik the Victorious would not have ruled a nation state.This has never been proven, but Adam can be cited as a secondary source