Life span: 04/22/1844 to 07/07/1865TabsLife SummaryFull name: Lewis Thornton PowellPlace of Birth: Randolph County, ALBirth Date Certainty: ExactDeath Date Certainty: ExactGender: MaleRace: WhiteSectional choice: SouthOrigins: Slave StateNo. of Siblings: 9Family: George Cader Powell (father), Patience Caroline Powell (mother)Occupation: MilitaryMilitary: Confederate Army Events Date span begin Life span End Event 04/05/1865 04/05/1865 In Washington, Secretary of State Seward is injured quite badly when thrown from his carriage 04/14/1865 04/14/1865 Lewis Powell attempts to assassinate Secretary of State William Seward in Washington, DC 04/17/1865 04/17/1865 Mary Surratt and Lewis Powell are arrested in a late night War Department raid on Surratt's boarding house 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 05/12/1865 05/12/1865 In Washington's Old Penitentiary, the taking of evidence in the Lincoln conspiracy trial begins 05/13/1865 06/13/1865 In Washington's Old Penitentiary, the taking of evidence in the Lincoln conspiracy trial continues 06/14/1865 06/14/1865 In Washington's Old Penitentiary, the taking of evidence in the Lincoln conspiracy trial concludes 06/15/1865 06/28/1865 In Washington's Old Penitentiary, final arguments are being made in the Lincoln conspiracy trial 06/29/1865 06/29/1865 In Washington's Old Penitentiary, the Commission in the Lincoln conspiracy trial begin their deliberations 07/05/1865 07/05/1865 In Washington, President Andrew Johnson approves the sentences passed down to the Lincoln conspirators 07/06/1865 07/06/1865 In Washington's Old Penitentiary, the Lincoln conspirators are told their fate in their cells 07/07/1865 07/07/1865 Four condemned Lincoln assassination conspirators, including Mary Surratt, are executed in Washington, D.C. 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 Lewis Thornton Powell Lewis Thornton Powell, detail Bibliography