Most of the participants were Army veterans, Freemasons, or members of secret societies such as the Union of Salvation.  
Their proposed coup was inspired by the example of the Carbonari and Tugendbund.  Most of the participants were Army veterans, Freemasons, or members of secret societies such as the Union of Salvation.  They demanded the accession of Constantine, but they were quickly suppressed and Nicholas I became tsar.  FTP name this 1825 event in Russian history.
Their proposed coup was inspired by the example of the Carbonari and Tugendbund.  
Decembrists or Dekabrists