Happy Saint Patrick's day!!

1. Saint Patrick's Day is a cultural and religious holiday celebrated on 17th March. It is the patron saint of Ireland.

2. Saint Patrick's Day was made an official Christian feast day in the 17th century. 

3. The day commemorates Saint Patrick and the arrival of Christianity in Ireland, as well as celebrates the heritage and culture of the Irish in general. 

4. Celebrations generally involve public parades and festivals.

5. Saint Patrick's Day is a public holiday in the Republic of Ireland and Nothern Ireland.

6. It is also widely celebrated around the world; especially in Britain, Canada, the United States, Australia and New Zealand.

Video: Saint Patrick's festival (2010). 

[Watch it from 00:00 to 00:55]