Exactly a century ago - in the spring of 1921 - one of the most controversial events of the Civil War took place in Kronstadt. Scientists and publicists have broken many copies, trying to understand the causes of the conflict between the Bolsheviks and the revolutionary Baltic sailors - the heroes of 1917. In the book of Candidate of Historical Sciences Viktor Vladimirovich Popov, we will see how our attitude towards the Kronstadt events of 1921 has changed over the course of a century, why this The ideological struggle became heated and how the debate of today affects our view of the past. The author also invites you to discuss further ways of understanding this conflict - a landmark event of the entire Russian Revolution.