Assertion: empire's city | /r/HasProperty | founded in 437/436 bc
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Source sentences:
text: The Athenian statesman Pericles promoted colonization of the Strymon River near the Kingdom of Macedonia, where the colonial city of Amphipolis was founded in 437/436 BC so that it could provide Athens with a steady supply of silver and gold as well as timber and pitch to support the Athenian navy.