St. Patrick's Day is celebrated with vibrant traditions, including the invention of green beer by Dr. Thomas Hayes in 1914. The historical significance of wearing blue and the New York parade since 1762 are highlighted. The Chicago River dyeing tradition started in 1962. Myths about corned beef are debunked, and it's noted that 13 million pints of Guinness are consumed worldwide. Leprechauns are exclusively male, and toasting customs are shared.