St. Patrick would of had to deal with pinching on his feast day. His color was “Saint Patrick’s blue” ( a light shade of blue). The color green only became associated after it was linked to the Irish Independence Movement in the late 18th century
For most of the 20th century, St. Patrick’s Day was considered a strictly religious holiday in Ireland, which meant that the pubs were closed for business on March 17 (the one exception being the beer vendors at the big national dog show). In 1970, the day was converted to a national holiday, and everything changed
According to Irish legend, the Saint used the three leafed clover plant as a metaphor for the Holy Trinity when he was first introducing Christianity to the Irish
In Irish folklore, St. Patrick drove all the snakes out of Ireland. Modern scientists suggest that wouldn’t have been a difficult task based on fossil records (Ireland has never been home to any snakes). Through the Ice Age, Ireland was too cold to host any reptiles, and the surrounding seas have staved off serpentine visitors ever since. Modern scholars believe the “snakes were metaphorical.