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    Battle of Gaugamela, Fall Persian Empire  
Battle of Gaugamela (331 BC). Clash between the forces of Alexander the Great and Darius III of Persia that brought the fall of the Persian empire. Attempting to stop Alexander's incursions, Darius prepared a battleground on the Plain of Ga...
 
    Euclid of Alexandria, Father of Geometry  
Euclid, sometimes called Euclid of Alexandria to distinguish him from Euclides of Megara, was a Greek mathematician, often referred to as the "father of geometry". He was active in Alexandria during the reign of Ptolemy I (323–283 BC). His...
 
    HELLENISTIC PERIOD : Ancient Greek  
The Hellenistic period is the period of ancient Greek and eastern Mediterranean history between the death of Alexander the Great in 323 BC and the emergence of the Roman Empire as signified by the Battle of Actium in 31 BC and the subsequen...
 
    Complete Works of Aristotle  
The Oxford Translation of Aristotle was originally published in 12 volumes between 1912 and 1954. It is universally recognized as the standard English version of Aristotle. The first volume of Aristotle's complete works will give any An...
 
    Diadochi Wars, Alexander's Generals  
The Wars of the Diadochi (or Wars of Alexander's Successors) were a series of conflicts fought between Alexander the Great's generals over the rule of his empire between 322 and 275 BC. When Alexander the Great died (June 10, 323 BC), he le...
 
    Pyrrhus of Epirus, Pyrrhic Victory  
Pyrrhus of Epirus, king of the Molossians (from ca. 297 BC), Epirus (306-301, 297-272 BC) and Macedon (288-284, 273-272 BC), was one of the strongest opponents of early Rome. Some of his battles, though successful, cost him staggering losse...
 
    Aristarchus of Samos, Sun at center of Universe  
Aristarchus of Samos was an ancient Greek astronomer and mathematician who presented the first known heliocentric model that placed the Sun at the center of the known universe with the Earth revolving around it. He was influenced by Phi...
 
    The Ptolemies, Last Indept. Dynasty Egypt  
Ptolemies: name of the last dynasty of independent Egypt. In 332, the Macedonian king Alexander the Great conquered Egypt and gave a new capital to the old kingdom along the Nile, Alexandria. After his death (11 June 323), his friend Ptolem...
 
    Ashoka the Great, Indian Mauryan Emperor  
Ashoka Maurya, commonly known as Ashoka and also as Ashoka the Great, was an Indian emperor of the Maurya Dynasty who ruled almost all of the Indian subcontinent from ca. 269 BCE to 232 BCE. One of India's greatest emperors, Ashoka reigned...
 
    Theocritus, Poet of Idylls  
Theocritus, the creator of ancient Greek bucolic poetry, flourished in the 3rd century BC. Little is known of Theocritus beyond what can be inferred from his writings. We must, however, handle these with some caution, since some of the poem...
 
    Archimedes of Syracuse, Eureka!  
Archimedes of Syracuse was an Ancient Greek mathematician, physicist, engineer, inventor, and astronomer. Although few details of his life are known, he is regarded as one of the leading scientists in classical antiquity. Generally consider...
 
    Pharos, The Lighthouse of Alexandria  
The Lighthouse of Alexandria, also known as the Pharos of Alexandria, was a tower built between 280 and 247 BC on the island of Pharos at Alexandria, Egypt. Its purpose was to guide sailors into the harbour at night. With a height variously...
 
    Chrysippus of Soli, Stoic Philosopher  
Chrysippus of Soli was a Greek Stoic philosopher. He was a pupil of Cleanthes, and his successor, in 230 BC, as third head of the Stoic school. A prolific writer, Chrysippus expanded the fundamental doctrines of Zeno of Citium, the founder...
 
    Eratosthenes, Measuring the Earth  
Eratosthenes of Cyrene was a Greek mathematician, geographer, poet, astronomer, and music theorist. He was a man of learning, becoming the chief librarian at the Library of Alexandria. He invented the discipline of geography, including the...
 
    The Thirteen Books of Euclid's Elements  
There has never been a writer of mathematics as successful as Euclid. For well over 2000 years the work that Euclid did in compiling The Elements has been the crowning achievement of geometry and it has only been in the twentieth century th...
 
       
         
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