The Seleucid Empire was a Hellenistic successor state of Alexander the Great's dominion. There were over 30 kings of the Seleucid dynasty from 323 to 60 BC.
The partition of Alexander's empire (323-281 BC)
Alexander the Great had conquered the Persian Empire within a short time-frame and died young, leaving an expansive empire of partly Hellenized culture without an adult heir. The empire was put under the authority of a regent in the person of Perdiccas in 323 BC, and the territories were divided between Alexander's generals, who thereby became satraps, at the Partition of Babylon in 323 BC.
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