The provided text is an exhaustive Wikipedia entry about the Italian island region of Sicily, offering a comprehensive look at its characteristics and history. It details Sicily's turbulent and multicultural past, covering epochs from prehistory through Greek, Roman, Byzantine, Arab, Norman, Spanish, and Italian rule, culminating in its current status as an autonomous Italian region. The article also provides extensive information on Sicily's geography and diverse landscape, including Mount Etna, climate, and various rivers. Furthermore, it supplies data on the island's demographics, politics, and economy, discussing important sectors like agriculture, industry, and tourism, along with aspects of its unique culture, architecture, language, and notable UNESCO World Heritage Sites.