"Darius III (c. 380 – July 330 BC), originally named Artashata and called Codomannus by the Greeks, was the last king of the Achaemenid Empire of Persia, from 336 BC to 330 BC. Artashata adopted Darius as a dynastic name.
His empire was unstable, with large portions governed by jealous and unreliable satraps and inhabited by disaffected and rebellious subjects.
In 334 BC, Alexander the Great began his invasion of the Persian Empire and subsequently defeated the Persians in a number of battles before looting and destroying their capital, Persepolis, by fire in 330 BC. With the Persian Empire now effectively under Alexander´s control, Alexander then decided to pursue Darius. Before Alexander reached him, however, Darius was killed by his cousin Bessus, who was also the satrap of Bactria." - (en.wikipedia.org 03.10.2020)
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