September 29th, 1957
20 MCi (740 petabecquerels) of radioactive material is released in an explosion at the Soviet Mayak nuclear plant at Chelyabinsk. event on September 29, 1957. Read about how to open files in Open File Database.
Events around September 29, 1957
| September 29th, 1957 | Birth | Chris Broad, former English cricketer and current match referee |
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