St. Elmo’s fire is a weather phenomenon that causes luminous plasma to appear at the ends of tall, pointed objects such as spires, airplane wings, and ships’ masts when the atmosphere is electrically charged. It is sometimes accompanied by a hissing sound. Named for St. Erasmus, the patron saint of sailors, the glowing display has been known to mariners since ancient times and has been interpreted as an omen, usually for good. What were some notable historical appearances of the phenomenon? Discuss