June 4, 2026

Black Diamond Remembrance April 26

Black Diamond

A remembrance ceremony will be held at 2pm Sunday, April 26, 2026, honoring the 87 lives lost in the Black Diamond Disaster, a tragic Civil War-era maritime accident that occurred near St. Clement’s Island during the hunt for presidential assassin John Wilkes Booth.

Stone Pens Book on Black Diamond Disaster

Stone

Karen Stone has published “Shipwreck on the Potomac: Disaster in Pursuit of Lincoln’s Killer,” a book about the Black Diamond Disaster, a “forgotten” tragedy that occurred on the Potomac River near St. Clement’s Island during the American Civil War during the hunt for presidential assassin John Wilkes Booth.

Book on Black Diamond Disaster in the Works

Karen Stone, manager of the St. Mary’s County Museum Division, will soon publish a book about the Black Diamond Disaster on the Potomac River in 1865.