Life span: 09/06/1834 to 09/21/1906TabsLife SummaryFull name: Samuel Bland ArnoldPlace of Birth: Washington, DCBurial Place: Baltimore, MDBirth Date Certainty: ExactDeath Date Certainty: ExactGender: MaleRace: WhiteSectional choice: SouthOrigins: Slave StateEducation: OtherOther Education: St. Timothy's Hall, Baltimore, MD Events Date span begin Life span End Event 04/17/1865 04/17/1865 Assassination conspirator Samuel Arnold is arrested in the morning at Fortress Monroe in Virginia 04/29/1865 04/29/1865 In Washington, John Wilkes Booth's accused fellow plotters are transferred to the Old Penitentiary for trial 05/01/1865 05/01/1865 In Washington, President Johnson orders a military trial for John Wilkes Booth's accused fellow plotters 05/06/1865 05/06/1865 In Washington, the officers of the military court for John Wilkes Booth's accused fellow plotters are named 05/09/1865 05/09/1865 In Washington, membership of the military court for John Wilkes Booth's accused fellow plotters is adjusted 05/10/1865 05/10/1865 In Washington, the accused Lincoln Assassination plotters all plead not guilty before their military court 07/15/1865 07/15/1865 President Johnson orders the surviving Lincoln conspirators to serve their sentences off the coast of Florida Major TopicsLincoln's Assassination Documents Subject Docs Date Title 05/08/1865 Charges and specifications against the Lincoln Conspirators on trial in Washington, D.C., May 8, 1865 07/05/1865 Official Verdict of the Military Commission trying the Lincoln Conspirators, as endorsed by President Johnson, July 5, 1865 Images Samuel Arnold Samuel Arnold, detail Bibliography