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At 1:23 a.m. the atomic core of reactor number 4 at the Chernobyl plant in Ukraine bursts due to handling errors. It destroys the building, from which radioactive smoke comes out.
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The radioactive cloud is contaminating Ukraine, Belarus and Russia.
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A fleet of helicopters drops 5,000 tons of materials to put out the fire.
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1200 army buses appear in the city of Pripyat, 3 km from the central, evacuating the 50 000 inhabitants.
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He started the decontamination of the site with the support of 600 000 liquidators, which was composed of firemen, workers, scientists, geologists and specialists from the nuclear industry.
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Radioactive material is no longer released into the atmosphere.
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The evacuation of all the inhabitants of Chernobyl is carried out.
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Reactor 2 at Chernobyl burns down, destroying the engine room.
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About 830,000 men participated in tasks at the plant and in the surrounding area, suffering high levels of radiation, 200,000 people died and the rest suffered from immune system degradation, cancers and disorders of the immune and respiratory systems.
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Ukraine, G7 group and the European Union sign a protocol to close the Chernobyl plant.
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Final closure of the Chernobyl plant.
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Novarka, a French consortium, won the tender to build a new steel sarcophagus, because over time the sarcophagus built around reactor 4 degraded due to radiation, which would have great consequences.
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The second sarcophagus begins to operate.
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The destruction of the old structure at Chernobyl is expected to be completed.
