Hellenistic civilization
Modern historians see the death of Alexander the Great in 323 BC as the beginning of the Hellenistic period. Alexander and the Macedonians conquered the eastern Mediterranean, Mesopotamia, and the Iranian plateau, and invaded India. Following Alexander's death, there was a struggle for the succession, known as the wars of the Diadochi, Greek for successors. These ended in 281 BC with the establishment of three large territorial states:
- the Ptolemaic dynasty in Egypt based at Alexandria
- the Seleucid dynasty in Syria based at Antioch
- the Antigonid dynasty in Macedonia and the mainland of Greece
The end of the Hellenistic period is generally seen as 31 BC, when the power of Ptolemaic Egypt was smashed by the Romans at the Battle of Actium. Shortly thereafter, the independence of the Ptolemies was at an end with the suicide of Cleopatra and the annexation of Egypt by Caesar Augustus.
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