Antigonid Macedonia

The Antigonid dynasty was one of the principal Hellenistic successor states, ruling the Macedonian homeland and exercising hegemony over much of mainland Greece.

It traces its origins to Antigonus I Monophthalmus ('the One-Eyed'), one of Alexander the Great's most powerful generals, who took the royal title in 306 BCE during the wars of the Diadochi. Antigonus's bid to reunite Alexander's empire ended with his death at the Battle of Ipsus in 301 BCE, but his descendants, after a turbulent period, secured control of Macedonia. The dynasty was firmly established by Antigonus II Gonatas, who consolidated Macedonian rule by the 270s BCE after repelling a major Celtic (Galatian) invasion of the Balkans. The Antigonids governed a smaller and more compact realm than the sprawling Seleucid and Ptolemaic kingdoms, but Macedonia remained a formidable military power and the traditional heartland of the phalanx armies that dominated the era. Antigonid kings repeatedly intervened in the affairs of the Greek city-states and leagues to maintain Macedonian influence, balancing alliances and rivalries among Athens, Sparta, and the Achaean and Aetolian Leagues. Their dominance was ultimately broken by the intervention of the Roman Republic. A series of Macedonian Wars pitted the Antigonids against Rome and its Greek allies, and the dynasty was finally destroyed when the last Antigonid king, Perseus, was decisively defeated at the Battle of Pydna in 168 BCE. Macedonia was divided into Roman client republics and later annexed outright as a Roman province, marking a decisive step in Rome's domination of the Greek world.

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