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Great Odin's ravens! The world is set to end in 100 days but according to Norse mythology the mighty Thor could save the day.

Viking folklore had its own take on the apocalypse called Ragnarok which would involve gods smiting each other, the sky stained with poison and three freezing winters - so we're a third of the way there already.

Norse experts have calculated that the viking gods are going to start flinging magic hammers at each other on February 22 2014 as Thor's dad Odin gets mauled to death by a wolf which will get the ball rolling for the armageddon.

Skandinavian cultural boffins at York's Jorvik viking centre have heralded the beginning of the end by blowing a sacred war trumpet.

Mythology states that the god Heimdallr would blow the magical Gjallerhorn to warn of Ragnarok which means Doom of the Gods. This will alert Odin's sons like Thor to the battlefield.

God of thunder, Thor has remained a cultural icon as a hero of Marvel comics most recently in the movie Thor: The Dark World.

Ancient Swedes, Danes and Norwegians believed that first a freezing winter would come, then all morality would disappear and fights would break out all over the world.

Then wolves would eat the sun and the moon and finally the daddy of gods Odin would bite the dust at the fangs of another lupine menace.

After Odin's demise, the world will sink into the sea but then rise again as a new utopia.

(Image: REX/ZUMA)

Jorvik viking centre boss Danielle Daglan said: "In the last couple of years, we’ve had predictions of the Mayan apocalypse, which passed without incident, and numerous other dates where the end of the world has been pencilled in by seers, fortune tellers and visionaries.

"But the sound of the horn is possibly the best indicator yet that the Viking version of the end of the world really will happen on 22 February next year."

The legend states that "the first to notice shall be man, brother will fight brother and all the boundaries that exist shall crumble."

Viking experts have pointed out that boundaries are already crumbling through social networking, so if Loki and Thor do start brawling in your back garden maybe consider closing that Twitter account.

Ms Daglan said: "The idea that “boundaries that exist shall crumble” could be said to be about the Internet age, where you can communicate with millions of people simultaneously around the world thanks to the global rise of social media."

Another part of the legend suggests that the Midgard Serpent will rise up from the ocean much like the two huge fish which appeared on a California beach last month.