Etna DOC agriculture and viticulture. Later on between 1 800 and 500 B.C. the Greeks occupied Sicily. They contributed a lot to the viticulture and the techniques of vinification. Apart from their expertise they introduced new grapes, among which "Grechetto". Its contemporary name is Grecanico and today it can be found in some areas of the Etna region. Mythology is closely tied to the island as well. The early settlers – the Sicels, who inhabited the island before the Greeks worshipped the God of wine Adranus. The Greeks prayed at Dionysus and the Romans revered the wine God Bacco. Etna volcano and
Mount Etna on a new site, and its church contains the Italian fascist symbol of the torch, placed above the statue of Jesus Christ. In early November 2008, the town of Mascali commemorated the 80th anniversary of the eruption and destruction of the village with a number of public events where eyewitnesses shared their memories of the eruption. Other major 20th-century eruptions occurred in 1949, 1971, 1979, 1981, 1983 and 1991–1993. In 1971, lava buried the Etna Observatory (built in the late 19th century), destroyed the first generation of the Etna cable-car, and seriously threatened several small villages on Etna's east flank.