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
Corsica The main line runs between Bastia and Ajaccio and there is a branch line from Ponte Leccia to Calvi. Chemins de Fer de la Corse (CFC) is the name of the regional rail network serving the French island of Corsica. For a list of stations, see Railway stations in Corsica. The railroad retains the air of a friendly local railroad and is an excellent way to get around the island, for both the inhabitants and tourists. There is a third line along the east coast that is not in use due to heavy damage during World War II. John Smith