23h 5min, apr 25, 1986 y - Night shift come on duty
Description:
The night shift were unaware of the test happening until they walked into the control room. They had also never done this procedure before and had instructions some of which were crossed out. Leonid Toptunov a young man of 25 had all of 4 months experience of this job. He later died of radiation exposure.Added to timeline:
Date:
23h 5min, apr 25, 1986 y
Now
~ 39 years ago