The Black Diamond American Civil War Weekend Event

Head to St. Clement’s Island Museum for a weekend commemorating a forgotten tragedy of the Civil War – the Black Diamond Disaster. On April 23, 1865, eighty-seven (87) lives were lost when the Black Diamond and the steamer Massachusetts collided in the Potomac River near St. Clement’s Island during the hunt for John Wilkes Booth. Includes free museum admission, free water taxi rides to St. Clements Island State Park, Sunday Commemoration Ceremony, and concert by the Federal City Brass Band.