He names Edessa in memory of the ancient capital of Macedon .
Seleucus refounds the town of Orrhoa in northern Mesopotamia as a military colony and mixes Greek settlers with its eastern population .
Seleucus names Edessa in memory of the ancient capital of Macedon .
Seleucus refounds the town of Orrhoa in northern Mesopotamia as a military colony and mixes Greek settlers with its eastern population .