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510s BC - Wikipedia, the free encyclopedia (301 words) |
 | 510 BC - Hippias, second son of Pisistratus and tyrant of Athens, is expelled by a popular revolt supported by Cleomenes I, King of Sparta and his forces. |
 | 510 BC - Fall of the Roman Kingdom and establishment of the Roman Republic. |
 | 510 BC - Defeat and destruction of Sybaris. |
| 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. |