One Day of War
Movie| Title | День войны |
| User score | 0 |
| Release date | Oct 22, 1942 |
| Genre | War, Documentary |
| Director | Mikhail Slutsky |
| Production country | Soviet Union |
| Production companies | Central Studio of Documentary Films |
| Run time | 80 min. |
"This film follows one day in the heroic struggle of the Soviet people against the German Fascist invaders." A Day of War (Den voyny), a chronicle of total war filmed on all fronts as well as at the rear, was produced by the Central Studio of Documentary Films; shot by 160 newsreel cameramen on June 13, 1942, the 356th day of the Great Patriotic War; superbly assembled by M. Slutsky; and released on October 22, 1942. Its cameramen were informed of the actual date of shooting only two days before work commenced.