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Legend has it that St Patrick chased all the snakes in Ireland into the sea - which explains why there are no snakes in the country. The story seems to date back to a late seventh century book ...

It wasn’t until the late 1970s that it changed. Legend has it St. Patrick himself banished all snakes from Ireland, according to History.com. Science doesn't quite back up that story ...

But snakes were never there in the first place ... As Irish people travelled and settled around the world they brought the story of St Patrick with them to the many different countries.