History of Greek

• 1. Introduction

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  Greek is the only surviving member of the Hellenic branch of the Indo-European language family, a distinction that makes it unlike almost any other language on Earth. It has been spoken continuously for longer than virtually any language with a written record, stretching from the Bronze Age palaces of Mycenae to the streets of Athens and Nicosia today. Approximately 12 to 15 million people speak it now, scattered across Greece, Cyprus, and diaspora communities around the world.

  But how did a language that first appeared on clay tablets in the second millennium BCE survive the fall of empires, the collapse of civilizations, and centuries of foreign rule? How did it spread from a small peninsula at the edge of Europe to become the lingua franca of the eastern Roman Empire? And how did Greek speakers end up fighting a "linguistic war" over which version of their own language was fit to be spoken in public? The answers reach back to the steppes north of the Black Sea, run through the conquests of Alexander the Great, and end in a parliamentary vote that would not come until 1974.

• 2. Before the Alphabet

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  The first known script for writing Greek was not the Greek alphabet. It was a syllabary called Linear B, used to record the archaic Mycenaean dialect in the Bronze Age palaces of Greece. Linear B was not deciphered until 1952, meaning that for much of modern history scholars could not read the oldest surviving Greek texts.

  When the Mycenaean civilization collapsed during the Bronze Age collapse, writing in Greece effectively disappeared for around five hundred years. Nothing survived from that dark interval, or if anything was written, none of it has reached the present day. Greek only re-emerged in written form with the adoption of the Greek alphabet in early classical times.

  Before Mycenaean Greek, there was Proto-Greek, the common ancestor of all later Greek dialects. Linguists estimate that Proto-Greek split from its nearest Indo-European relatives sometime during the European Bronze Age, around the 3rd millennium BCE, though possibly even earlier. Where exactly that split happened remains disputed. It is not known whether the characteristic Greek sound-changes developed inside the Greek peninsula itself, or whether Proto-Greek speakers arrived already speaking something distinctly Greek after migrating into the region from elsewhere.

• 3. Where Greeks Came From

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  Scholars throughout the 20th century proposed competing models for when and how Proto-Greek speakers reached the Greek peninsula, and estimates shifted dramatically after a key breakthrough: the decipherment of Linear B opened new questions about what the "coming of the Greeks" actually meant archaeologically.

  C. Haley and J. Blegen put forward a Middle Bronze Age estimate as far back as 1928, later adjusted to place the arrival at the transition from Early Helladic II to Early Helladic III, around 2400 BCE. John E. Coleman challenged that majority view, arguing it relied on stratigraphic discontinuities at the site of Lerna that other excavations in Greece showed were caused by chronological gaps or separate deposit sequences rather than genuine cultural disruption.

  The range of scholarly proposals spans more than a millennium. Robert Drews dated the arrival of chariot-riding Greeks to around 1600 BCE, though modern Mycenologists have rejected his model as both historically and linguistically inaccurate. At the other extreme, John E. Coleman argued for an entry as early as around 3200 BCE, during the late 4th millennium BCE. A. L. Katona proposed that the migration of Proto-Greek speakers originated in Ukraine around 2400 BCE, with the main body traveling through Romania and the eastern Balkans before settling in southwestern Illyria, Epirus, northwestern Thessaly, and western Macedonia.

  A 2023 study by Paul Heggarty and colleagues, using Bayesian statistics, advanced a mixed steppe-farmer model placing Greek south of the Caucasus as an already diverged branch of Indo-European around 7000 years before the present, roughly 5000 BCE. That would push the deep roots of Greek far earlier than most earlier estimates imagined.

• 4. A Family of Dialects

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  Ivo Hajnal dates the beginning of Proto-Greek's diversification into distinct dialects to no significantly earlier than 1700 BCE. By the archaic and classical periods, three main dialects had taken shape: Aeolic, Ionic, and Doric, each linked to one of the three main Greek tribal groups.

  The Aeolians lived chiefly on the islands of the Aegean and the northern west coast of Asia Minor, above Smyrna. The Ionians settled mostly along the west coast of Asia Minor including Smyrna and the territory to its south. The Dorians occupied primarily the coast of the Peloponnese, including Sparta and Crete, and the southernmost portions of Asia Minor's west coast.

  Ionic rose to prominence as the first great literary language of ancient Greece. Homer's Iliad and Odyssey were composed in a literary form of Ionic that borrowed words from the other dialects. Doric became the standard for lyric poetry, heard in the odes of Pindar and the choral passages of the Greek tragedians. Attic Greek, technically a subdialect of Ionic, eventually outpaced all its relatives. It was the language of Athens, and most surviving classical Greek literature, including the texts of Plato and Aristotle, comes down to us written in Attic.

  The conventional way of grouping the dialects before 1955 placed them in a West Greek cluster (Doric and Northwest Greek) and an East Greek cluster (Aeolic, Arcado-Cypriot, and Attic-Ionic). After the decipherment of Linear B, Walter Porzig and Ernst Risch proposed a new division: a Northern group of Doric, Northwest Greek, and Aeolic, and a Southern group of Mycenaean, Arcado-Cypriot, and Attic-Ionic. That restructured grouping has remained foundational ever since.

• 5. The Language of Empire

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  Alexander the Great, who lived from 356 to 323 BCE, changed the trajectory of the Greek language as decisively as any political event in its history. As Greek culture spread under him and his successors from Asia Minor to Egypt and the frontier regions of India, the Attic dialect that Alexander carried with him became the foundation of a new common tongue: the Koine, from the Greek word meaning "common."

  Koine was not just used by Greeks. The peoples of the regions Alexander conquered learned it too, turning Greek into something it had never been before: a world language. The Hellenistic period, running from 323 BCE to 31 BCE, saw Greek thrive across an enormous geographic range. It was during this era that the Septuagint appeared, a Greek translation of the Hebrew Bible.

  When Rome absorbed the eastern Mediterranean, Greek did not retreat. For centuries it served as the lingua franca of the eastern half of the Roman Empire. The Greek New Testament was composed during Roman times, and Koine Greek is sometimes called "New Testament Greek" after its most celebrated work of literature.

• 6. Byzantine Continuity

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  Medieval Greek, also called Byzantine Greek, covers the stage of the language from the beginning of the Middle Ages around 600 CE to the Ottoman conquest of Constantinople in 1453. That latter date marked not just the end of Byzantine civilization but the close of the Middle Ages across Southeast Europe.

  From 620 onwards, Greek became the sole language of administration and government in the Byzantine Empire, a shift brought about by the reforms of the emperor Heraclius. Before that point, Latin had shared official status; after it, Greek stood alone.

  There is some debate over when exactly Medieval Greek began. Some scholars push the start back to 330, when the political center of the empire moved to Constantinople, or to 395, when the empire split in two. But most linguists find those earlier dates arbitrary, since they reflect political rather than linguistic turning points. The real transformation in the language came only after the massive cultural disruptions of the 7th century.

  What makes Medieval Greek significant in the long sweep of the language's history is its bridging role. Its literature remained deeply rooted in ancient models, while the spoken language was quietly developing the features that would characterize Modern Greek. The fall of Constantinople in 1453 serves as the symbolic start of the modern period, even though many distinctly modern features of the language had already been present for centuries.

• 7. The Linguistic War

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  After Greece won independence in 1829, the new state faced an unexpected question: which Greek should be its official language? The answer became one of the most contentious cultural disputes in modern Greek history.

  The government sanctioned Katharevousa, a word meaning "purified language," as the official state tongue. Katharevousa was a deliberately archaizing form of Greek, designed to bridge the modern spoken language with its ancient ancestors. The result was a situation linguists call diglossia, where speakers switched between an informal register and a formal one depending on the context. The informal variety was called Dimotiki; the formal one was Katharevousa.

  This arrangement generated genuine social conflict. Supporters of the common spoken dialect formed a faction called the Dhimotikistes, while defenders of the purified form called themselves the Loyii or Katharevusyani. The use of Dimotiki in official state speech and paperwork was forbidden outright.

  The deadlock lasted for most of modern Greek history. It ended only with the fall of the military junta in 1974 and the period of democratic restoration known as Metapolitefsi, which ran from 1974 to 1976. During that transition, the Demotic dialect was accepted as both the de facto and de jure language of the Greek government. Present-day Modern Standard Greek is largely built on Dimotiki, though it preserves certain features inherited from Katharevousa.