There is a day in March when people of Irish descent, in whole or part, and those who just wish to partake of the Shamrock Isle's legendary hospitality, come together the world over to celebrate the world's most popular National festival: St Patrick's day.That day is March 17th, the traditional anniversary of his death in 561. Saint Patrick is the patron saint of Ireland and is acknowledged as the one who brought Christianity to its shores and drove out the snakes! Although it is now generally accepted that snakes never inhabited Ireland and it's more likely a reference to the driving out of pagans or druids.Now we celebrate not just St Patrick or St Paddy's day but all things tinged with the green, all things Irish and its culture with parades, céilís, parties and the wearing of green clothing or shamrocks, and the hours, long into the night, are filled with laughter and good-natured exuberance. Although the day can coincide with the church rituals of Lent the restrictions on eating and drinking are lifted and this gives added impetus to the imbibing of alcohol, the whirl of dance and the clatter and chatter of a vibrant celebration. Our poets revel with the words and verse on every aspect of the day.