“Everyone’s Irish on March 17th!” says a large sign at

St. Patrick's Day

A Shamrock has become the symbol of St. Patrick's Day

Dublin’s Guinness museum.

March 17th is, of course, St. Patrick’s Day, a day to honor the death of one of the world’s most popular saints.

St. Patrick was born in Roman Britain, and he has been accredited for bringing Christianity to Ireland. Not much is known of St. Patrick’s life but one of the most famous legends says that he used the Shamrock, a three-leaved plant, to teach the Holy Trinity to the pre-Christian Irish people.

Although the religious origins of the day are widely known, nowadays St. Patrick’s Day is also celebrated as a kind of Irish national day…