Ka cika wannan jumlar: Nicholas, wanda ya yi hamayya da ƙoƙarce-ƙoƙarcen Alexander na kawo 'yanci, ya hau gadon sarauta a matsayin Tsar Nicholas I bayan mutuwar Alexander a watan Disamba na shekara ta 1825. Jami'an sojan Rasha masu ra'ayin mazan jiya sun yi tsayayya da karɓar mulkin Nicholas a cikin
Tashin hankali na Decembrist. An zargi wasu 'yan sassaucin ra'ayi na Poland da alaƙa da makircin Decembrist kuma an gabatar da su a gaban Sejm don shari'a a 1828. Duk da matsin lamba na siyasa daga Moscow, Kotun Sejm ta same su da laifin kasancewa cikin National Patriotic Society wanda Walerian Łukasiński ya kafa (wani laifi) maimakon cin amana. An yi murna da shawarar a Poland amma ya fusata Tsar Nicholas.