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Marie Curie was born
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Marie Curie's mother dies
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Marie gets a degree in physics and math
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Marie Curie marries Pierre Curie
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Marie Curie discovers polonium and radium
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Marie Curie won a nobel prize in phyics
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Pierre dies in accident
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Marie gets a 2nd nobel prize in physics
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Marie Curie gets one gram of radium in America
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Marie Curie dies