This document discusses various May superstitions and traditions, including that marrying in May or experiencing mist or bees in May are believed to impact harvests. Certain dates like the 3rd, 6th, 7th, 13th, 15th and 20th are considered unlucky. Mayday celebrations traditionally included Morris dancing, crowning a May Queen and dancing around a Maypole. The document also briefly mentions Empire Day, a former British commemoration of the British Empire held in May. It provides a link to a video example of Mayday celebrations and notes Mayday was replaced by Commonwealth Day in 1958.