17th March is ST. Patrick’s Day.
People wear green, because green is the national colour of Ireland. They also wear the symbol of Northern Ireland, the shamrock!
The history of the boy and man who became Saint Patrick:
St. Patrick’s Day is a holiday known for parades, shamrocks and all things Irish. From leprechauns to the color green, find out how symbols we now associate with St. Patrick’s Day came to be, and learn about a few that are purely American invention.
To discover more: St. Patrick’s day symbols and traditions, by Hitory Channel