Monograph by Academician M.V. Nechkina dedicated to the 150th anniversary of the Decembrist uprising. This is the second edition of her famous work on the December 14 uprising. Talentedly, dynamically, the author reveals the course of the uprising, its stages, the actions of the government side, which ended in the defeat of the uprising, talks about the tragic fate of the participants in the movement, analyzes the reasons for its failure, shows the significance of the first revolutionary armed uprising, the feat of the participants of which inspired subsequent generations of revolutionaries to fight.