June 22, 1941. This day is forever marked in domestic calendars in black mourning color. This is one of the most terrible dates in our history. This is the day of the greatest military catastrophe. How could this happen? Why did the enemy manage to take the USSR by surprise? Why were German aviation allowed to shoot hundreds of our planes at airfields with impunity on the first day of the war, and numerous Red Army divisions were crushed and defeated in a matter of weeks? How did it happen that the colossal military machine of the Soviet state failed at the most crucial moment? A detailed, hour and minute chronicle of the tragic events of June 22, 1941 and an analysis of the reasons for the defeat, the commemoration of veterans and eyewitness accounts of the tragedy are in the first joint project of the most popular local historians Artyom Drabkin and Alexei Isaev.