Michelle Harris delves into exactly who St Patrick was. She explores his origins and how he became the patron saint of Ireland and solves the mystery of how the shamrock is associated with St Patrick's Day. She also looks at how he spawned one of the world's most celebrated feast days!

What's the Craic is a weekly Irish radio show that broadcasts on Brighton's Radio Reverb on 97.2FM, DAB and online at radioreverb.com. You can hear it live Mondays at 8pm or catch the repeat on Tuesdays at 3pm or Saturdays at 1am GMT. You can follow us on Twitter at @whatsthecraicrr or on facebook.com/whatsthecraicrr for up to date news on whats coming up on the show and to get in touch with us.

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