St Patrick help spread Christianity in Ireland by teaching the Irish the importance of the holy trinity. It is believed Patrick did this by using a 3 leaf Shamrock with each leaf representing the Father, Son, and holy spirit.
No.
There never were snakes in Ireland. This is pure legend.
According to the legends, St. Patrick drove the snakes out of Ireland.
he brought Christianity to Ireland
St. Patrick's day was first celebrated in Ireland.
He gave us Leprechauns!
no not even close
The original colour was blue, but they changed it to green because its most related with Ireland
St. Patrick was brought to Ireland as a captive sometime between 403AD and 406AD. He stayed for about 6 years before escaping. He returned to Ireland to preach Christianity in 432AD.
the true meaning to saint patricks day is a day observed by the Irish to commemorate the Patton saint of Ireland.
There are many St. Patrick's Cathedrals. In Ireland there is one in Dublin and two in Armagh. There are also St. Patrick's Cathedrals in other countries.
A very interesting theory, but I doubt very much that there is any connection.