Battle of Thermopylae. 300 Spartans under king Leonidas and other Greek allies hold back the persians led by Xerxes l for three days but are defeated.
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The answer is;
Artificial satellites.
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<span>Alexander the Great Alexander accomplished greater deeds than, not only of the kings who had lived before him but also of those who were to come later down to our time .Alexander the Great was born at Pella Macedonia in 356 B.C.E. He spent his childhood years watching his father transforming Macedonia into a great military power. His Father was King Phillip and his mother was Olympias. His mother was the princes of neighboring Epirus. She was a deeply spiritual who taught her son about his ancestors such as Achilles and Hercules</span>
They rebelled against his policies