Which event marked the beginning of the Hellenistic Age in 323 BCE?

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Mythological figure — Hellenistic age The figure, who is possibly Dionysus, riding a panther, a Hellenistic opus tessellatum emblema from the House of Masks in Delos, Greece, 2nd century bce.

The event that marked the beginning of the Hellenistic Age in 323 BCE was the death of Alexander the Great.12

Following his death in Babylon on June 13, 323 BCE, the vast empire he had forged began to break apart, leading to the rise of numerous successor realms—such as the Macedonian, Seleucid, and Ptolemaic kingdoms—that facilitated the widespread fusion of Greek and Eastern cultures.13