There were salt-works in Sardinia too as early as about 150 B.C., as is attested by an inscription assigned to this date in Latin, Greek and Punic, being a dedication by one Cleon salari(us) soc(iorum) s(ervus) (Corp. Inscr.
Of these the best known were: the Kolakes, in which he pilloried the spendthrift Callias, who wasted his substance on sophists and parasites; Maricas, an attack on Hyperbolus, the successor of Cleon, under a fictitious name; the Baptae, against Alcibiades and his clubs, at which profligate foreign rites were practised.
In 422 B.C. Cleon led an unsuccessful expedition to recover it, in which both he and Brasidas were slain.
An assembly was held and under the invective of Cleon it was decided to kill.
The final success of Brasidas at Amphipolis, where both he and Cleon were killed, paved the way for a more permanent agreement, the peace parties at Athens and Sparta being in the ascendant.