military alliance in Ancient Greece
Sparta and Peloponnesian League (red) at the outset of the Peloponnesian War around 431 BC The Peloponnesian League (/pɛləpəˈniːʃən/) was an alliance of ancient Greek city-states, dominated by Sparta and centred on the Peloponnese, which lasted from c. 550 to 366 BC. It is known mainly for being one of the two rivals in the Peloponnesian War (431–404 BC), against the Delian League, which was dominated by Athens.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).