St. Patrick’s Day. Hooray, hooray. Callooh! Callay! They chortle in their joy. And drink green beer. Wear green clothes. Green being associated with St. Patrick due to the shamrock. He supposedly used the three-leaved plant to explain the Holy Trinity to pre-Christian Irish. One leaf, two leaf, ... St. Patrick was actually British. Invading Irish kidnapped him and kept him as a slave. Somehow he escaped and returned to Britain. Then later returned to Ireland as a devout Christian. Talk about ...