Of all these temples the oldest is probably that of Heracles, while the best preserved are those of Hera and Concordia, which are very similar in dimensions; the latter, indeed, a Some writers place Kamikos, the city of the mythical Sican Kokalos, on the site of Acragas or its acropolis; but it appears to have lain to the north-west, possiblyat Caltabellotta,lom.
For two years more the fighting continued with varying success, until Charles of Valois, who had been sent by Boniface to invade Sicily, was forced to sue for peace, his army being decimated by the plague, and in August 1302 the treaty of Caltabellotta was signed, by which Frederick was recognized king of Trinacria (the name Sicily was not to be used) for his lifetime, and was to marry Eleonora, the daughter of Charles II.; at his death the kingdom was to revert to the Angevins (this clause was inserted chiefly to save Charles's face), and his children would receive compensation elsewhere.
But on the descent of the emperor Henry VII., Frederick entered into an alliance with him, and in violation of the pact of Caltabellotta made war on the Angevins again (1313) and captured Reggio.
In 1337 Frederick died at Paternione, and in spite of the peace of Caltabellotta his son Peter succeeded.
Peace was at last made in 1302 at Caltabellotta, Charles II.
But his efforts, like those of his father and grandfather, proved fruitless, and the Angevins were compelled at last to agree to the peace of Caltabellotta (1302).
The war went on with varying success, until Charles of Valois, summoned by the pope to conduct the campaign, landed in Sicily and, his army being decimated by disease, made peace with Frederick at Caltabellotta (1302).