Corsica and killings culminated in the assassination of Prefect Claude Érignac in 1998. In 2013, Corsica hosted the first three stages of the 100th Tour de France, which passed through the island for the first time in the event's 110-year history. Corsica was formed about 250 million years ago with the uplift of a granite backbone on the western side. About 50 million years ago sedimentary rock was pressed against this granite, forming the schists of the eastern side. It is the most mountainous island in the Mediterranean, a "mountain in the sea". It is also the fourth largest island in
Cuisine of Corsica Renaissance: in the Gallery of Maps in the Vatican, which depicts the regions of Italy and its surrounding islands, the 16th century Italian cosmographer Ignazio Danti wrote above the map of Corsica: "Corsica has received four major gifts from Nature: its horses, its dogs, its proud and courageous men and its wines, most generous, that princes hold in the highest esteem!" In 1887 the vineyards of the island were hit by the Phylloxera. A dramatic change in the island's viticulture happened at the beginning of the 1960s. At that time about 20,000 pied-noirs (French colonists from Algeria) had to leave