FACTOID # 26: Delaware is the latchkey kid capital of America, with 71.8% of households having both parents in the labor force.
 
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Encyclopedia > 532 BC

Centuries: 7th century BC - 6th century BC - 5th century BC


Decades: 580s BC - 570s BC - 560s BC - 550s BC - 540s BC - 530s BC - 520s BC - 510s BC - 500s BC - 490s BC - 480s BC


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6th century BC: Information from Answers.com (6216 words)
B.C., but Pythagoras demonstrates that in a right triangle (one with a 90° angle) the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides (Pythagorean theorem), a concept known to the ancient Chinese and Hindus and applied by 18th century
B.C. The Etruscans are a civilized people who believe in an afterlife, but legend will relate the uprising to the rape of Lucretia, beautiful and virtuous wife of the Roman general Lucius Tarquinius Collatinus, by Sextus Tarquinius, a son of the king Tarquinius Superbus.
Pisistratus, Tyrant of Athens in 561 BC, 559 BC–556 BC and 546 BC–528 BC.
History of astronomy: Information from Answers.com (3955 words)
Aristotle (384–322 BC) developed a concept of the Universe, with the Earth at the centre and with everything rotating around it in orbits that were perfect circles, had considerable explanatory power and prevailed for centuries.
In the 3rd century BC Aristarchus of Samos was the first to propose a fully heliocentric system, while Eratosthenes, using the angles of shadows created at widely-separated regions, estimated the circumference of the Earth with great accuracy.
532 BC - A nova was recorded in Records of the Grand Historian and Zuo Zhuan.
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