04/17/1865
In Baltimore, assassination conspirator Michael O'Laughlin is arrested in the morning in Baltimore
04/29/1865
In Washington, John Wilkes Booth's accused fellow plotters are transferred to the Old Penitentiary for trial
05/01/1865
In Washington, President Johnson orders a military trial for John Wilkes Booth's accused fellow plotters
05/06/1865
In Washington, the officers of the military court for John Wilkes Booth's accused fellow plotters are named
05/09/1865
In Washington, membership of the military court for John Wilkes Booth's accused fellow plotters is adjusted
05/10/1865
In Washington, the accused Lincoln Assassination plotters all plead not guilty before their military court
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
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
In Washington's Old Penitentiary, the Commission in the Lincoln conspiracy trial begin their deliberations
07/05/1865
In Washington, President Andrew Johnson approves the sentences passed down to the Lincoln conspirators
07/06/1865
In Washington's Old Penitentiary, the Lincoln conspirators are told their fate in their cells
07/15/1865
President Johnson orders the surviving Lincoln conspirators to serve their sentences off the coast of Florida