Record Data Place Unit Type Location or Site Containing Unit Boston, MA Events Date Type 03/03/1862 Generals Buckner and Tilghman, captured at Fort Donelson, arrive in Boston as prisoners-of-war Battles/Soldiers 05/19/1863 President Lincoln banishes Congressman Clement Vallandigham to the Confederacy Lawmaking/Litigating 01/29/1862 The Confederate commissioners Mason and Slidell finally arrive in England US/the World 03/19/1862 The U.S.S. Rhode Island arrives in Philadelphia with Confederate privateer prisoners Battles/Soldiers 01/01/1862 The United States releases the Confederate commissioners Mason and Slidell into British custody US/the World People Documents Images Fort Warren, Boston Harbor, Massachusetts, 1861, artist's impression