17th March: Saint Patrick's Day.

Saint Patrick's Day is celebrated on 17th March, every year.

Also called the Feast of St. Patrick.

It is a cultural and religious celebration.

This day commemorates Saint Patrick and the arrival of Christianity in Ireland and also celebrates the Irish culture.

On this day, there are parades and the wearing of green attire.

(Photo credit: https://en.wikipedia.org/wiki/Saint_Patrick%27s_Day)