In celebration of 400 years of Hudson River History, the Hudson River Maritime Museum is presenting a special event on June 10 at 5 p.m. at the museum, which is located at 50 Rondout Landing on the waterfront. The event features heritage ships the Half Moon, Clearwater and the Onrust. Other historic boats will be on hand such as the fireboat John J. Harvey, the tug Gov. Cleveland, the Launch 5 and the Riverkeeper. Mayor James Sottile will conduct a “ships welcome” and there will be music by the Kingston High School Jazz Ensemble as well as the Sea Shanty Singers. At 8 p.m., Jay Ungar and Molly Mason will perform with special guests Nanne Kalma and Ankie van der Meer as well as the Barefoot Boys. The music and dance will be broadcast live on WAMC radio. For more information, call (845) 338-0071.