Chalcedon

(kal′sə dän′)

ancient Greek city on the Bosporus, opposite Byzantium: site of the 4th ecumenical council, 451

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See Chalcedon in American Heritage Dictionary 4

An ancient Greek city of northwest Asia Minor on the Bosporus near present-day Istanbul. It was founded in 685 B.C. and passed to Rome in A.D. 74.

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