 "Vikings" is inspired by the sagas of Viking Ragnar Lothbrok, one of the best-known legendary Norse heroes and notorious as the scourge of England and France.The broad historical narrative is based on real events, with some of the principal characters representing real figures from history and/or legend.The show portrays Ragnar as a former farmer who rises to fame by successful raids into England, and eventually becomes king, with the support of his family and fellow warriors