Saint Patrick's Day is celebrated on March 17th to honor St. Patrick, the patron saint of Ireland who brought Christianity to the country. It is a religious holiday where everything turns green, from drinks to rivers, and the shamrock symbolizes the holiday. The festival celebrating St. Patrick has been observed for centuries.

1. Saint patrick’s day is a religious holiday on the 17th of
March. Saint patrick’s is the patron of Ireland. On this
day all things are green, drinks, rivers, etc. The symbol
of this holiday is the shamrock. On this day celebrated
that St. Patrick brought Christianity to the Ireland.
This festival is celebrated for 19 and 20 century.
TONI XAVIER ADROVER VIDAL