Hellenistic means Greek culture after Alexander's death
From Alexander's death in 323 BC to Cleopatra VII's in 30 BC, Greek-led kingdoms stretched from the Mediterranean into Asia and Egypt. Art, science, and the koine Greek language peaked across that zone—until Actium and Rome's seizure of Ptolemaic Egypt closed the last major Hellenistic state.
In classical antiquity the Hellenistic period follows Classical Greece across Greek, eastern Mediterranean, and Middle Eastern history under Greek leadership, culture, and language. After Alexander conquered the Achaemenid Empire in 330 BC, the Partition of Babylon and Wars of the Diadochi produced Greek kingdoms including the Seleucid Empire, Pergamon, the Greco-Bactrian and Indo-Greek realms, and Ptolemaic Egypt. Greek influence then reached a Mediterranean high-water mark: New Comedy, Alexandrian poetry, translating the Hebrew Bible into Greek (the Septuagint), Stoic and Epicurean philosophy, and Euclidean mathematics all flourished.
Rome's rise, the Battle of Actium in 31 BC, and the next year's conquest of Ptolemaic Egypt erased the last major Hellenistic kingdom. The label comes from Hellas, Greece. Nineteenth-century historian Johann Gustav Droysen coined "Hellenistic" in Geschichte des Hellenismus for the age when Greek culture spread into non-Greek lands after Alexander. Scholars still dispute the end date—candidates include Rome's 146 BC conquest of the Greek heartland after the Achaean War and other later milestones.
Source survival is thin for the century after Alexander. Major Hellenistic historians such as Hieronymus of Cardia, Duris of Samos, and Phylarchus survive only in fragments used by later writers. After Polybius, Diodorus Siculus (writing roughly 60–30 BC) preserves important earlier material before his narrative breaks off after Ipsus in 301 BC. Plutarch's parallel lives remain another crucial window. The word itself traces to Hellēnistḗs—someone who uses Greek—so the era is named for language and culture as much as for dynasties.
Source: Hellenistic period
