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
Prehistory of Corsica crossed over to Corsica, or more likely that there was an extensive international trading network that involved heavy contact between Corsica, Sardinia, the Tuscan region and Southwestern Europe. The sites are: The Corsican Neolithic occurs between 6000 BCE and 3000 BCE. Due to proximity and trade the western Mediterranean passed through roughly analogous cultural phases in the Neolithic. These are perhaps best defined for Sardinia, a larger and better archaeologically explored island. The dating scheme in the titles below is based on a Sardinian chronology rounded to millennia. The Early Neolithic of Corsica is defined to include the time period