One person is dead following a helicopter crash in Pittsylvania County.Preview: Today, on St. Patrick's Day, we celebrate all things Irish and a lot of us wear green while doing so. But why? There's a lot of lore regarding leprechauns - a mythical creature said to go around pinching people not wearing green. There's also a belief that wearing green on St. Patrick's Day is rooted in the color having become a symbol of Irish identity and resistance against British rule in the 1700s.