Histories
Herodotus
Herodotus. Godley, Alfred Denis, translator. Cambridge, MA; London: Harvard University Press; William Heinemann, Ltd., 1920-1925 (printing).
In the next year after this,[*](491.)Darius first sent a message bidding the Thasians, who were falsely reported by their neighbors to be planning rebellion, to destroy their walls and bring their ships to +Abdera [24.9667,40.9833] (Perseus) Abdera.
Since they had been besieged by Histiaeus of Miletus [27.3,37.5] (Perseus) Miletus and had great revenues, the Thasians had used their wealth to build ships of war and surround themselves with stronger walls.