When Napoleon was defeated, dethroned, and exiled for the second time in the summer of 1815, Ney was arrested (on 3 August 1815), and tried (4 December 1815) for treason by the Chamber of Peers.
When Napoleon was defeated, dethroned, and exiled for the second time in the summer of 1815, Ney was arrested (on 3 August 1815). After a court-martial declared itself incompetent (November), he was tried (4 December 1815) for treason by the Chamber of Peers.