More than a thousand years ago, a young boy called Patrick lived far away over the sea in Britain.
When he was 16, he was captured by pirates. He was taken over the sea to Ireland where he was sold as a slave.
For six years he worked for an Irish chieftan as a shephard.
While he was a slave, Patrick often prayed to God.
At last he escaped from Ireland and made his way back to his family in Britain.
After Patrick became a priest, he dreamt that the people of Ireland were calling him back.
For the rest of his life, Patrick stayed in Ireland and built many churches.
He also kept a diary of his travels in Ireland, which we can read today.
When Patrick died he was buried in Ireland. Many people believe that his grave is in a place called Downpatric.
As the legend goes...Patrick is said to have rid Ireland of snakes and demons by praying to God and sacrificing himself as martyr for his faith.