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Galileo was born in February 15, 1564 in Pisa, Italy
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Galileo enters the University of Pisa to study medicine.
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Galileo debates its significance with conservative scholars.
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Summer of 1609 news of the the telescope invention reached Italy. In August Galileo improved it and made his own device inspired by it.
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In Autumn Galileo made his first observation using his telescope, uneven surface of the moon
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Galileo discovers four moons orbiting Jupiter
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Father Tommasso Caccini attacks Galileo in sermon in Florence, and later denounces him to the inquisition
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Dialogue concerning the 2 chief world system published in Florence with tentative Papal approval.
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Galileo is charged with heresy and is forced to confess his errors renounce the Copernican system and accept the church judgement. He was sentenced to imprisonment under house arrest
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Galileo died in Arcentri, Italy after suffering from a fever and heart palpitations at the age of 77.