A tomb in Tholos, called "Gruttu di li rimitu", on Mount Ottavio, testifies to the Mycenaean presence.

In the "Marcello" district have been found finds of pottery, bricks and various objects of feminine decoration, ceramic from Arezzo.

From the Berbers and the Arabs the locality was called "El Minzar" (which means panorama) and its stream "Ued dur" (river that surrounds).

On March 29, 1635 Prince Don Diego Aragona Cortez Tagliavia obtained the concession to establish a village on the feudal lands ("licentia populandi") and founded Montedoro in the fiefdom Balatazza.

The rise and fall of the sulfur market in 1896 began emigration flows to the United States of America, principally to the coal mining area centered around Pittston, Pennsylvania, and from 1946 to the European countries and industrial cities of northern Italy.