 Though quite feasible, there is nevertheless no direct physical trace of medieval landings or settlement on Jan Mayen.The land named "Svalbarð" ("cold coast") by the Vikings in the early medieval book Landnámabók may have been Jan Mayen (instead of Spitsbergen, renamed Svalbard by the Norwegians in modern times); the distance from Iceland to "Svalbarð" mentioned in this book is two days' sailing (with favorable winds), consistent with the approximate to Jan Mayen and not with the minimum to Spitsbergen.However much Jan Mayen may have been known in Europe at that time, it was subsequently forgotten for some centuries.