By WHAV Staff | May Day poster. (Courtesy of Stephen Lewis.) As a public service, 97.9 WHAV presents Community Spotlight at no charge for the benefit of Greater Haverhill nonprofit organizations. To submit news of events, fundraising appeals and other community calendar announcements, Click image. Area residents have a chance to have a taste of May Day as it is celebrated around the world, with a poster exhibit at the Haverhill Public Library during June. Stephen Lewis’ collection of May Day posters will be the first to display in the library’s reopened exhibit gallery hall. Lewis presents posters he has collected from France, Spain, Namibia, Australia, Denmark, Austria, Bangladesh, Belgium, Brazil, Canada, Cuba, Germany and Liechtenstein, among others.