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1h 23min, apr 16, 1986 y - Test begins

Description:

1:23:04 - Test officially begins, reactor capacity surges unexpectedly.
1:23:40 - Button pressed for emergency shutdown,
1:23:44 - Control rods jam during core entry as fuel rods have deformed.

Added to timeline:

ByJB
10 May 2021
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Date:

1h 23min, apr 16, 1986 y
Now
~ 39 years ago